Home / 1,090,255.68-1,635,539.04-342,360

Finding the Fourth Proportional to 1,090,255.68, 1,635,539.04 and 342,360

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Solution

The fourth proportional to 1,090,255.68, 1,635,539.04 and 342,360 is: 513,588.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,255.68 : 1,635,539.04 = 342,360 : x
  2. Step 2: Convert to fraction form
    1,090,255.68/1,635,539.04 = 342,360/x
  3. Step 3: Cross multiply
    1,090,255.68x = 1,635,539.04 × 342,360
  4. Step 4: Simplify right side
    1,090,255.68x = 559,943,145,734.40
  5. Step 5: Solve for x
    x = 559,943,145,734.40/1,090,255.68
  6. Step 6: Final answer
    x = 513,588.84

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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.