Home / 929,612.40-1,394,418.60-890,246.40

Finding the Fourth Proportional to 929,612.40, 1,394,418.60 and 890,246.40

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Solution

The fourth proportional to 929,612.40, 1,394,418.60 and 890,246.40 is: 1,335,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,612.40 : 1,394,418.60 = 890,246.40 : x
  2. Step 2: Convert to fraction form
    929,612.40/1,394,418.60 = 890,246.40/x
  3. Step 3: Cross multiply
    929,612.40x = 1,394,418.60 × 890,246.40
  4. Step 4: Simplify right side
    929,612.40x = 1,241,376,138,743.04
  5. Step 5: Solve for x
    x = 1,241,376,138,743.04/929,612.40
  6. Step 6: Final answer
    x = 1,335,369.60

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Similar ratio
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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.