Home / 1,351,554.29-1,865,149.85-731,359.46

Finding the Fourth Proportional to 1,351,554.29, 1,865,149.85 and 731,359.46

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Solution

The fourth proportional to 1,351,554.29, 1,865,149.85 and 731,359.46 is: 1,009,278.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,554.29 : 1,865,149.85 = 731,359.46 : x
  2. Step 2: Convert to fraction form
    1,351,554.29/1,865,149.85 = 731,359.46/x
  3. Step 3: Cross multiply
    1,351,554.29x = 1,865,149.85 × 731,359.46
  4. Step 4: Simplify right side
    1,351,554.29x = 1,364,094,977,789.33
  5. Step 5: Solve for x
    x = 1,364,094,977,789.33/1,351,554.29
  6. Step 6: Final answer
    x = 1,009,278.72

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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.