Home / 1,170,084.70-1,755,127.05-815,499.10

Finding the Fourth Proportional to 1,170,084.70, 1,755,127.05 and 815,499.10

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Solution

The fourth proportional to 1,170,084.70, 1,755,127.05 and 815,499.10 is: 1,223,248.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,084.70 : 1,755,127.05 = 815,499.10 : x
  2. Step 2: Convert to fraction form
    1,170,084.70/1,755,127.05 = 815,499.10/x
  3. Step 3: Cross multiply
    1,170,084.70x = 1,755,127.05 × 815,499.10
  4. Step 4: Simplify right side
    1,170,084.70x = 1,431,304,529,660.66
  5. Step 5: Solve for x
    x = 1,431,304,529,660.66/1,170,084.70
  6. Step 6: Final answer
    x = 1,223,248.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.