Home / 1,387,295.43-2,081,109.87-488,551.41

Finding the Fourth Proportional to 1,387,295.43, 2,081,109.87 and 488,551.41

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Solution

The fourth proportional to 1,387,295.43, 2,081,109.87 and 488,551.41 is: 732,885.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,295.43 : 2,081,109.87 = 488,551.41 : x
  2. Step 2: Convert to fraction form
    1,387,295.43/2,081,109.87 = 488,551.41/x
  3. Step 3: Cross multiply
    1,387,295.43x = 2,081,109.87 × 488,551.41
  4. Step 4: Simplify right side
    1,387,295.43x = 1,016,729,161,353.42
  5. Step 5: Solve for x
    x = 1,016,729,161,353.42/1,387,295.43
  6. Step 6: Final answer
    x = 732,885.83

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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.