Home / 1,145,535.48-1,581,549.30-738,338.76

Finding the Fourth Proportional to 1,145,535.48, 1,581,549.30 and 738,338.76

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Solution

The fourth proportional to 1,145,535.48, 1,581,549.30 and 738,338.76 is: 1,019,365.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,535.48 : 1,581,549.30 = 738,338.76 : x
  2. Step 2: Convert to fraction form
    1,145,535.48/1,581,549.30 = 738,338.76/x
  3. Step 3: Cross multiply
    1,145,535.48x = 1,581,549.30 × 738,338.76
  4. Step 4: Simplify right side
    1,145,535.48x = 1,167,719,149,040.87
  5. Step 5: Solve for x
    x = 1,167,719,149,040.87/1,145,535.48
  6. Step 6: Final answer
    x = 1,019,365.33

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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.