Home / 1,011,565.52-1,396,155.85-649,446.92

Finding the Fourth Proportional to 1,011,565.52, 1,396,155.85 and 649,446.92

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Solution

The fourth proportional to 1,011,565.52, 1,396,155.85 and 649,446.92 is: 896,362.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,565.52 : 1,396,155.85 = 649,446.92 : x
  2. Step 2: Convert to fraction form
    1,011,565.52/1,396,155.85 = 649,446.92/x
  3. Step 3: Cross multiply
    1,011,565.52x = 1,396,155.85 × 649,446.92
  4. Step 4: Simplify right side
    1,011,565.52x = 906,729,108,018.09
  5. Step 5: Solve for x
    x = 906,729,108,018.09/1,011,565.52
  6. Step 6: Final answer
    x = 896,362.22

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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.