Home / 1,023,177.50-1,412,084.72-764,605.45

Finding the Fourth Proportional to 1,023,177.50, 1,412,084.72 and 764,605.45

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Solution

The fourth proportional to 1,023,177.50, 1,412,084.72 and 764,605.45 is: 1,055,230.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,177.50 : 1,412,084.72 = 764,605.45 : x
  2. Step 2: Convert to fraction form
    1,023,177.50/1,412,084.72 = 764,605.45/x
  3. Step 3: Cross multiply
    1,023,177.50x = 1,412,084.72 × 764,605.45
  4. Step 4: Simplify right side
    1,023,177.50x = 1,079,687,672,773.72
  5. Step 5: Solve for x
    x = 1,079,687,672,773.72/1,023,177.50
  6. Step 6: Final answer
    x = 1,055,230.08

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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.