Home / 1,103,183.78-1,655,436.62-472,098.20

Finding the Fourth Proportional to 1,103,183.78, 1,655,436.62 and 472,098.20

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Solution

The fourth proportional to 1,103,183.78, 1,655,436.62 and 472,098.20 is: 708,430.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,183.78 : 1,655,436.62 = 472,098.20 : x
  2. Step 2: Convert to fraction form
    1,103,183.78/1,655,436.62 = 472,098.20/x
  3. Step 3: Cross multiply
    1,103,183.78x = 1,655,436.62 × 472,098.20
  4. Step 4: Simplify right side
    1,103,183.78x = 781,528,641,419.15
  5. Step 5: Solve for x
    x = 781,528,641,419.15/1,103,183.78
  6. Step 6: Final answer
    x = 708,430.14

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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.