Home / 1,351,554.80-1,865,150.57-731,359.97

Finding the Fourth Proportional to 1,351,554.80, 1,865,150.57 and 731,359.97

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Solution

The fourth proportional to 1,351,554.80, 1,865,150.57 and 731,359.97 is: 1,009,279.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,554.80 : 1,865,150.57 = 731,359.97 : x
  2. Step 2: Convert to fraction form
    1,351,554.80/1,865,150.57 = 731,359.97/x
  3. Step 3: Cross multiply
    1,351,554.80x = 1,865,150.57 × 731,359.97
  4. Step 4: Simplify right side
    1,351,554.80x = 1,364,096,465,926.76
  5. Step 5: Solve for x
    x = 1,364,096,465,926.76/1,351,554.80
  6. Step 6: Final answer
    x = 1,009,279.43

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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.