Home / 1,615,294.16-2,229,120.88-890,167.84

Finding the Fourth Proportional to 1,615,294.16, 2,229,120.88 and 890,167.84

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Solution

The fourth proportional to 1,615,294.16, 2,229,120.88 and 890,167.84 is: 1,228,439.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,294.16 : 2,229,120.88 = 890,167.84 : x
  2. Step 2: Convert to fraction form
    1,615,294.16/2,229,120.88 = 890,167.84/x
  3. Step 3: Cross multiply
    1,615,294.16x = 2,229,120.88 × 890,167.84
  4. Step 4: Simplify right side
    1,615,294.16x = 1,984,291,718,848.50
  5. Step 5: Solve for x
    x = 1,984,291,718,848.50/1,615,294.16
  6. Step 6: Final answer
    x = 1,228,439.85

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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.