Home / 1,147,404.60-1,719,308.70-725,789.88

Finding the Fourth Proportional to 1,147,404.60, 1,719,308.70 and 725,789.88

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Solution

The fourth proportional to 1,147,404.60, 1,719,308.70 and 725,789.88 is: 1,087,547.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,404.60 : 1,719,308.70 = 725,789.88 : x
  2. Step 2: Convert to fraction form
    1,147,404.60/1,719,308.70 = 725,789.88/x
  3. Step 3: Cross multiply
    1,147,404.60x = 1,719,308.70 × 725,789.88
  4. Step 4: Simplify right side
    1,147,404.60x = 1,247,856,855,055.96
  5. Step 5: Solve for x
    x = 1,247,856,855,055.96/1,147,404.60
  6. Step 6: Final answer
    x = 1,087,547.37

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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.