Home / 1,248,839.40-1,874,006.42-538,867.43

Finding the Fourth Proportional to 1,248,839.40, 1,874,006.42 and 538,867.43

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Solution

The fourth proportional to 1,248,839.40, 1,874,006.42 and 538,867.43 is: 808,623.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,839.40 : 1,874,006.42 = 538,867.43 : x
  2. Step 2: Convert to fraction form
    1,248,839.40/1,874,006.42 = 538,867.43/x
  3. Step 3: Cross multiply
    1,248,839.40x = 1,874,006.42 × 538,867.43
  4. Step 4: Simplify right side
    1,248,839.40x = 1,009,841,031,979.31
  5. Step 5: Solve for x
    x = 1,009,841,031,979.31/1,248,839.40
  6. Step 6: Final answer
    x = 808,623.62

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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.