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Finding the Fourth Proportional to 826,424.60, 1,237,304.10 and 803,096.60

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Solution

The fourth proportional to 826,424.60, 1,237,304.10 and 803,096.60 is: 1,202,377.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,424.60 : 1,237,304.10 = 803,096.60 : x
  2. Step 2: Convert to fraction form
    826,424.60/1,237,304.10 = 803,096.60/x
  3. Step 3: Cross multiply
    826,424.60x = 1,237,304.10 × 803,096.60
  4. Step 4: Simplify right side
    826,424.60x = 993,674,715,876.06
  5. Step 5: Solve for x
    x = 993,674,715,876.06/826,424.60
  6. Step 6: Final answer
    x = 1,202,377.95

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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.