Home / 1,447,707.95-1,997,839.33-803,128.15

Finding the Fourth Proportional to 1,447,707.95, 1,997,839.33 and 803,128.15

Calculator

Solution

The fourth proportional to 1,447,707.95, 1,997,839.33 and 803,128.15 is: 1,108,318.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,707.95 : 1,997,839.33 = 803,128.15 : x
  2. Step 2: Convert to fraction form
    1,447,707.95/1,997,839.33 = 803,128.15/x
  3. Step 3: Cross multiply
    1,447,707.95x = 1,997,839.33 × 803,128.15
  4. Step 4: Simplify right side
    1,447,707.95x = 1,604,521,005,100.14
  5. Step 5: Solve for x
    x = 1,604,521,005,100.14/1,447,707.95
  6. Step 6: Final answer
    x = 1,108,318.16

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.