Home / 1,146,157.20-1,581,627.60-636,842.16

Finding the Fourth Proportional to 1,146,157.20, 1,581,627.60 and 636,842.16

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Solution

The fourth proportional to 1,146,157.20, 1,581,627.60 and 636,842.16 is: 878,803.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,157.20 : 1,581,627.60 = 636,842.16 : x
  2. Step 2: Convert to fraction form
    1,146,157.20/1,581,627.60 = 636,842.16/x
  3. Step 3: Cross multiply
    1,146,157.20x = 1,581,627.60 × 636,842.16
  4. Step 4: Simplify right side
    1,146,157.20x = 1,007,247,137,099.62
  5. Step 5: Solve for x
    x = 1,007,247,137,099.62/1,146,157.20
  6. Step 6: Final answer
    x = 878,803.66

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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.