Home / 1,368,169.92-1,888,060.56-764,557.92

Finding the Fourth Proportional to 1,368,169.92, 1,888,060.56 and 764,557.92

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Solution

The fourth proportional to 1,368,169.92, 1,888,060.56 and 764,557.92 is: 1,055,082.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,169.92 : 1,888,060.56 = 764,557.92 : x
  2. Step 2: Convert to fraction form
    1,368,169.92/1,888,060.56 = 764,557.92/x
  3. Step 3: Cross multiply
    1,368,169.92x = 1,888,060.56 × 764,557.92
  4. Step 4: Simplify right side
    1,368,169.92x = 1,443,531,654,587.64
  5. Step 5: Solve for x
    x = 1,443,531,654,587.64/1,368,169.92
  6. Step 6: Final answer
    x = 1,055,082.15

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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.