Home / 1,200,732.89-1,657,024.45-656,856.98

Finding the Fourth Proportional to 1,200,732.89, 1,657,024.45 and 656,856.98

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Solution

The fourth proportional to 1,200,732.89, 1,657,024.45 and 656,856.98 is: 906,469.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,732.89 : 1,657,024.45 = 656,856.98 : x
  2. Step 2: Convert to fraction form
    1,200,732.89/1,657,024.45 = 656,856.98/x
  3. Step 3: Cross multiply
    1,200,732.89x = 1,657,024.45 × 656,856.98
  4. Step 4: Simplify right side
    1,200,732.89x = 1,088,428,076,013.16
  5. Step 5: Solve for x
    x = 1,088,428,076,013.16/1,200,732.89
  6. Step 6: Final answer
    x = 906,469.78

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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.