Home / 1,146,232.68-1,581,142.32-715,765.56

Finding the Fourth Proportional to 1,146,232.68, 1,581,142.32 and 715,765.56

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Solution

The fourth proportional to 1,146,232.68, 1,581,142.32 and 715,765.56 is: 987,345.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,232.68 : 1,581,142.32 = 715,765.56 : x
  2. Step 2: Convert to fraction form
    1,146,232.68/1,581,142.32 = 715,765.56/x
  3. Step 3: Cross multiply
    1,146,232.68x = 1,581,142.32 × 715,765.56
  4. Step 4: Simplify right side
    1,146,232.68x = 1,131,727,218,114.50
  5. Step 5: Solve for x
    x = 1,131,727,218,114.50/1,146,232.68
  6. Step 6: Final answer
    x = 987,345.10

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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.