Home / 1,005,310.60-1,386,866.28-890,706.13

Finding the Fourth Proportional to 1,005,310.60, 1,386,866.28 and 890,706.13

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Solution

The fourth proportional to 1,005,310.60, 1,386,866.28 and 890,706.13 is: 1,228,764.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,310.60 : 1,386,866.28 = 890,706.13 : x
  2. Step 2: Convert to fraction form
    1,005,310.60/1,386,866.28 = 890,706.13/x
  3. Step 3: Cross multiply
    1,005,310.60x = 1,386,866.28 × 890,706.13
  4. Step 4: Simplify right side
    1,005,310.60x = 1,235,290,297,086.30
  5. Step 5: Solve for x
    x = 1,235,290,297,086.30/1,005,310.60
  6. Step 6: Final answer
    x = 1,228,764.82

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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.