Home / 1,157,357.46-1,597,178.85-660,631.14

Finding the Fourth Proportional to 1,157,357.46, 1,597,178.85 and 660,631.14

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Solution

The fourth proportional to 1,157,357.46, 1,597,178.85 and 660,631.14 is: 911,685.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,357.46 : 1,597,178.85 = 660,631.14 : x
  2. Step 2: Convert to fraction form
    1,157,357.46/1,597,178.85 = 660,631.14/x
  3. Step 3: Cross multiply
    1,157,357.46x = 1,597,178.85 × 660,631.14
  4. Step 4: Simplify right side
    1,157,357.46x = 1,055,146,084,459.39
  5. Step 5: Solve for x
    x = 1,055,146,084,459.39/1,157,357.46
  6. Step 6: Final answer
    x = 911,685.56

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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.