Home / 1,283,348.64-1,924,935.84-442,490.88

Finding the Fourth Proportional to 1,283,348.64, 1,924,935.84 and 442,490.88

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Solution

The fourth proportional to 1,283,348.64, 1,924,935.84 and 442,490.88 is: 663,706.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,348.64 : 1,924,935.84 = 442,490.88 : x
  2. Step 2: Convert to fraction form
    1,283,348.64/1,924,935.84 = 442,490.88/x
  3. Step 3: Cross multiply
    1,283,348.64x = 1,924,935.84 × 442,490.88
  4. Step 4: Simplify right side
    1,283,348.64x = 851,766,553,785.14
  5. Step 5: Solve for x
    x = 851,766,553,785.14/1,283,348.64
  6. Step 6: Final answer
    x = 663,706.28

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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.