Home / 1,281,319.71-1,768,666.50-737,672.18

Finding the Fourth Proportional to 1,281,319.71, 1,768,666.50 and 737,672.18

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Solution

The fourth proportional to 1,281,319.71, 1,768,666.50 and 737,672.18 is: 1,018,243.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,319.71 : 1,768,666.50 = 737,672.18 : x
  2. Step 2: Convert to fraction form
    1,281,319.71/1,768,666.50 = 737,672.18/x
  3. Step 3: Cross multiply
    1,281,319.71x = 1,768,666.50 × 737,672.18
  4. Step 4: Simplify right side
    1,281,319.71x = 1,304,696,067,429.21
  5. Step 5: Solve for x
    x = 1,304,696,067,429.21/1,281,319.71
  6. Step 6: Final answer
    x = 1,018,243.97

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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.