Home / 1,680,387.02-2,520,955.28-482,215.96

Finding the Fourth Proportional to 1,680,387.02, 2,520,955.28 and 482,215.96

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Solution

The fourth proportional to 1,680,387.02, 2,520,955.28 and 482,215.96 is: 723,431.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,387.02 : 2,520,955.28 = 482,215.96 : x
  2. Step 2: Convert to fraction form
    1,680,387.02/2,520,955.28 = 482,215.96/x
  3. Step 3: Cross multiply
    1,680,387.02x = 2,520,955.28 × 482,215.96
  4. Step 4: Simplify right side
    1,680,387.02x = 1,215,644,866,372.58
  5. Step 5: Solve for x
    x = 1,215,644,866,372.58/1,680,387.02
  6. Step 6: Final answer
    x = 723,431.48

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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.