Home / 865,722.10-1,296,250.35-679,098.10

Finding the Fourth Proportional to 865,722.10, 1,296,250.35 and 679,098.10

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Solution

The fourth proportional to 865,722.10, 1,296,250.35 and 679,098.10 is: 1,016,817.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,722.10 : 1,296,250.35 = 679,098.10 : x
  2. Step 2: Convert to fraction form
    865,722.10/1,296,250.35 = 679,098.10/x
  3. Step 3: Cross multiply
    865,722.10x = 1,296,250.35 × 679,098.10
  4. Step 4: Simplify right side
    865,722.10x = 880,281,149,809.34
  5. Step 5: Solve for x
    x = 880,281,149,809.34/865,722.10
  6. Step 6: Final answer
    x = 1,016,817.23

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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.