Home / 1,625,693.76-2,438,148.48-678,551.04

Finding the Fourth Proportional to 1,625,693.76, 2,438,148.48 and 678,551.04

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Solution

The fourth proportional to 1,625,693.76, 2,438,148.48 and 678,551.04 is: 1,017,662.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,693.76 : 2,438,148.48 = 678,551.04 : x
  2. Step 2: Convert to fraction form
    1,625,693.76/2,438,148.48 = 678,551.04/x
  3. Step 3: Cross multiply
    1,625,693.76x = 2,438,148.48 × 678,551.04
  4. Step 4: Simplify right side
    1,625,693.76x = 1,654,408,186,778.42
  5. Step 5: Solve for x
    x = 1,654,408,186,778.42/1,625,693.76
  6. Step 6: Final answer
    x = 1,017,662.88

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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.