Home / 1,284,105.42-1,772,002.28-703,331.10

Finding the Fourth Proportional to 1,284,105.42, 1,772,002.28 and 703,331.10

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Solution

The fourth proportional to 1,284,105.42, 1,772,002.28 and 703,331.10 is: 970,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,105.42 : 1,772,002.28 = 703,331.10 : x
  2. Step 2: Convert to fraction form
    1,284,105.42/1,772,002.28 = 703,331.10/x
  3. Step 3: Cross multiply
    1,284,105.42x = 1,772,002.28 × 703,331.10
  4. Step 4: Simplify right side
    1,284,105.42x = 1,246,304,312,794.91
  5. Step 5: Solve for x
    x = 1,246,304,312,794.91/1,284,105.42
  6. Step 6: Final answer
    x = 970,562.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.