Home / 1,281,897.20-1,768,821.61-737,927.88

Finding the Fourth Proportional to 1,281,897.20, 1,768,821.61 and 737,927.88

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Solution

The fourth proportional to 1,281,897.20, 1,768,821.61 and 737,927.88 is: 1,018,227.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,897.20 : 1,768,821.61 = 737,927.88 : x
  2. Step 2: Convert to fraction form
    1,281,897.20/1,768,821.61 = 737,927.88/x
  3. Step 3: Cross multiply
    1,281,897.20x = 1,768,821.61 × 737,927.88
  4. Step 4: Simplify right side
    1,281,897.20x = 1,305,262,780,721.43
  5. Step 5: Solve for x
    x = 1,305,262,780,721.43/1,281,897.20
  6. Step 6: Final answer
    x = 1,018,227.34

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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.