Home / 1,137,318.76-1,569,499.50-653,978.80

Finding the Fourth Proportional to 1,137,318.76, 1,569,499.50 and 653,978.80

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Solution

The fourth proportional to 1,137,318.76, 1,569,499.50 and 653,978.80 is: 902,490.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,318.76 : 1,569,499.50 = 653,978.80 : x
  2. Step 2: Convert to fraction form
    1,137,318.76/1,569,499.50 = 653,978.80/x
  3. Step 3: Cross multiply
    1,137,318.76x = 1,569,499.50 × 653,978.80
  4. Step 4: Simplify right side
    1,137,318.76x = 1,026,419,399,610.60
  5. Step 5: Solve for x
    x = 1,026,419,399,610.60/1,137,318.76
  6. Step 6: Final answer
    x = 902,490.52

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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.