Home / 1,654,717.38-2,479,779.72-753,957.78

Finding the Fourth Proportional to 1,654,717.38, 2,479,779.72 and 753,957.78

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Solution

The fourth proportional to 1,654,717.38, 2,479,779.72 and 753,957.78 is: 1,129,890.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654,717.38 : 2,479,779.72 = 753,957.78 : x
  2. Step 2: Convert to fraction form
    1,654,717.38/2,479,779.72 = 753,957.78/x
  3. Step 3: Cross multiply
    1,654,717.38x = 2,479,779.72 × 753,957.78
  4. Step 4: Simplify right side
    1,654,717.38x = 1,869,649,212,580.22
  5. Step 5: Solve for x
    x = 1,869,649,212,580.22/1,654,717.38
  6. Step 6: Final answer
    x = 1,129,890.36

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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.