Home / 1,615,310.52-2,229,225.90-890,156.28

Finding the Fourth Proportional to 1,615,310.52, 2,229,225.90 and 890,156.28

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Solution

The fourth proportional to 1,615,310.52, 2,229,225.90 and 890,156.28 is: 1,228,469.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,310.52 : 2,229,225.90 = 890,156.28 : x
  2. Step 2: Convert to fraction form
    1,615,310.52/2,229,225.90 = 890,156.28/x
  3. Step 3: Cross multiply
    1,615,310.52x = 2,229,225.90 × 890,156.28
  4. Step 4: Simplify right side
    1,615,310.52x = 1,984,359,434,423.65
  5. Step 5: Solve for x
    x = 1,984,359,434,423.65/1,615,310.52
  6. Step 6: Final answer
    x = 1,228,469.33

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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.