Home / 1,010,666.10-1,515,999.15-831,304.76

Finding the Fourth Proportional to 1,010,666.10, 1,515,999.15 and 831,304.76

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Solution

The fourth proportional to 1,010,666.10, 1,515,999.15 and 831,304.76 is: 1,246,957.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,666.10 : 1,515,999.15 = 831,304.76 : x
  2. Step 2: Convert to fraction form
    1,010,666.10/1,515,999.15 = 831,304.76/x
  3. Step 3: Cross multiply
    1,010,666.10x = 1,515,999.15 × 831,304.76
  4. Step 4: Simplify right side
    1,010,666.10x = 1,260,257,313,340.95
  5. Step 5: Solve for x
    x = 1,260,257,313,340.95/1,010,666.10
  6. Step 6: Final answer
    x = 1,246,957.14

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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.