Home / 815,545.10-1,144,125.10-815,545.10

Finding the Fourth Proportional to 815,545.10, 1,144,125.10 and 815,545.10

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Solution

The fourth proportional to 815,545.10, 1,144,125.10 and 815,545.10 is: 1,144,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,545.10 : 1,144,125.10 = 815,545.10 : x
  2. Step 2: Convert to fraction form
    815,545.10/1,144,125.10 = 815,545.10/x
  3. Step 3: Cross multiply
    815,545.10x = 1,144,125.10 × 815,545.10
  4. Step 4: Simplify right side
    815,545.10x = 933,085,619,092.01
  5. Step 5: Solve for x
    x = 933,085,619,092.01/815,545.10
  6. Step 6: Final answer
    x = 1,144,125.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.