Home / 1,293,904.92-1,785,565.08-720,932.70

Finding the Fourth Proportional to 1,293,904.92, 1,785,565.08 and 720,932.70

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Solution

The fourth proportional to 1,293,904.92, 1,785,565.08 and 720,932.70 is: 994,873.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,904.92 : 1,785,565.08 = 720,932.70 : x
  2. Step 2: Convert to fraction form
    1,293,904.92/1,785,565.08 = 720,932.70/x
  3. Step 3: Cross multiply
    1,293,904.92x = 1,785,565.08 × 720,932.70
  4. Step 4: Simplify right side
    1,293,904.92x = 1,287,272,254,150.12
  5. Step 5: Solve for x
    x = 1,287,272,254,150.12/1,293,904.92
  6. Step 6: Final answer
    x = 994,873.92

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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.