Home / 1,090,306.08-1,635,731.28-380,340

Finding the Fourth Proportional to 1,090,306.08, 1,635,731.28 and 380,340

Calculator

Solution

The fourth proportional to 1,090,306.08, 1,635,731.28 and 380,340 is: 570,604.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,306.08 : 1,635,731.28 = 380,340 : x
  2. Step 2: Convert to fraction form
    1,090,306.08/1,635,731.28 = 380,340/x
  3. Step 3: Cross multiply
    1,090,306.08x = 1,635,731.28 × 380,340
  4. Step 4: Simplify right side
    1,090,306.08x = 622,134,035,035.20
  5. Step 5: Solve for x
    x = 622,134,035,035.20/1,090,306.08
  6. Step 6: Final answer
    x = 570,604.94

Related Problems

Find fourth proportional to 545,153.04, 817,865.64 and 190,170
Half scale
Find fourth proportional to 2,180,612.16, 3,271,462.56 and 760,680
Double scale
Find fourth proportional to 1,090,307.08, 1,635,732.78 and 380,341
Similar ratio
Find fourth proportional to 1,635,459.12, 2,453,596.92 and 570,510
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.