Home / 1,207,330.92-1,665,753.32-723,719.60

Finding the Fourth Proportional to 1,207,330.92, 1,665,753.32 and 723,719.60

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Solution

The fourth proportional to 1,207,330.92, 1,665,753.32 and 723,719.60 is: 998,515.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,330.92 : 1,665,753.32 = 723,719.60 : x
  2. Step 2: Convert to fraction form
    1,207,330.92/1,665,753.32 = 723,719.60/x
  3. Step 3: Cross multiply
    1,207,330.92x = 1,665,753.32 × 723,719.60
  4. Step 4: Simplify right side
    1,207,330.92x = 1,205,538,326,449.07
  5. Step 5: Solve for x
    x = 1,205,538,326,449.07/1,207,330.92
  6. Step 6: Final answer
    x = 998,515.24

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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.