Home / 1,299,372.90-1,948,476.15-500,388.90

Finding the Fourth Proportional to 1,299,372.90, 1,948,476.15 and 500,388.90

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Solution

The fourth proportional to 1,299,372.90, 1,948,476.15 and 500,388.90 is: 750,358.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,372.90 : 1,948,476.15 = 500,388.90 : x
  2. Step 2: Convert to fraction form
    1,299,372.90/1,948,476.15 = 500,388.90/x
  3. Step 3: Cross multiply
    1,299,372.90x = 1,948,476.15 × 500,388.90
  4. Step 4: Simplify right side
    1,299,372.90x = 974,995,837,374.74
  5. Step 5: Solve for x
    x = 974,995,837,374.74/1,299,372.90
  6. Step 6: Final answer
    x = 750,358.76

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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.