Home / 1,200,732.29-1,657,023.63-656,856.40

Finding the Fourth Proportional to 1,200,732.29, 1,657,023.63 and 656,856.40

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Solution

The fourth proportional to 1,200,732.29, 1,657,023.63 and 656,856.40 is: 906,468.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,732.29 : 1,657,023.63 = 656,856.40 : x
  2. Step 2: Convert to fraction form
    1,200,732.29/1,657,023.63 = 656,856.40/x
  3. Step 3: Cross multiply
    1,200,732.29x = 1,657,023.63 × 656,856.40
  4. Step 4: Simplify right side
    1,200,732.29x = 1,088,426,572,174.17
  5. Step 5: Solve for x
    x = 1,088,426,572,174.17/1,200,732.29
  6. Step 6: Final answer
    x = 906,468.98

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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.