Home / 1,387,517.28-2,081,298.96-488,969.88

Finding the Fourth Proportional to 1,387,517.28, 2,081,298.96 and 488,969.88

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Solution

The fourth proportional to 1,387,517.28, 2,081,298.96 and 488,969.88 is: 733,462.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,517.28 : 2,081,298.96 = 488,969.88 : x
  2. Step 2: Convert to fraction form
    1,387,517.28/2,081,298.96 = 488,969.88/x
  3. Step 3: Cross multiply
    1,387,517.28x = 2,081,298.96 × 488,969.88
  4. Step 4: Simplify right side
    1,387,517.28x = 1,017,692,502,715.32
  5. Step 5: Solve for x
    x = 1,017,692,502,715.32/1,387,517.28
  6. Step 6: Final answer
    x = 733,462.94

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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.