Home / 1,005,545.44-1,387,657.92-552,865.60

Finding the Fourth Proportional to 1,005,545.44, 1,387,657.92 and 552,865.60

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Solution

The fourth proportional to 1,005,545.44, 1,387,657.92 and 552,865.60 is: 762,957.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,545.44 : 1,387,657.92 = 552,865.60 : x
  2. Step 2: Convert to fraction form
    1,005,545.44/1,387,657.92 = 552,865.60/x
  3. Step 3: Cross multiply
    1,005,545.44x = 1,387,657.92 × 552,865.60
  4. Step 4: Simplify right side
    1,005,545.44x = 767,188,328,535.55
  5. Step 5: Solve for x
    x = 767,188,328,535.55/1,005,545.44
  6. Step 6: Final answer
    x = 762,957.39

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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.