Home / 1,012,687.98-1,397,481.76-559,963.50

Finding the Fourth Proportional to 1,012,687.98, 1,397,481.76 and 559,963.50

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Solution

The fourth proportional to 1,012,687.98, 1,397,481.76 and 559,963.50 is: 772,734.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,687.98 : 1,397,481.76 = 559,963.50 : x
  2. Step 2: Convert to fraction form
    1,012,687.98/1,397,481.76 = 559,963.50/x
  3. Step 3: Cross multiply
    1,012,687.98x = 1,397,481.76 × 559,963.50
  4. Step 4: Simplify right side
    1,012,687.98x = 782,538,777,515.76
  5. Step 5: Solve for x
    x = 782,538,777,515.76/1,012,687.98
  6. Step 6: Final answer
    x = 772,734.34

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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.