Home / 1,199,403.12-1,655,148.20-655,542.38

Finding the Fourth Proportional to 1,199,403.12, 1,655,148.20 and 655,542.38

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Solution

The fourth proportional to 1,199,403.12, 1,655,148.20 and 655,542.38 is: 904,633.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,403.12 : 1,655,148.20 = 655,542.38 : x
  2. Step 2: Convert to fraction form
    1,199,403.12/1,655,148.20 = 655,542.38/x
  3. Step 3: Cross multiply
    1,199,403.12x = 1,655,148.20 × 655,542.38
  4. Step 4: Simplify right side
    1,199,403.12x = 1,085,019,790,280.72
  5. Step 5: Solve for x
    x = 1,085,019,790,280.72/1,199,403.12
  6. Step 6: Final answer
    x = 904,633.12

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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.