Home / 1,139,791.66-1,572,758.46-649,824.38

Finding the Fourth Proportional to 1,139,791.66, 1,572,758.46 and 649,824.38

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Solution

The fourth proportional to 1,139,791.66, 1,572,758.46 and 649,824.38 is: 896,669.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,791.66 : 1,572,758.46 = 649,824.38 : x
  2. Step 2: Convert to fraction form
    1,139,791.66/1,572,758.46 = 649,824.38/x
  3. Step 3: Cross multiply
    1,139,791.66x = 1,572,758.46 × 649,824.38
  4. Step 4: Simplify right side
    1,139,791.66x = 1,022,016,791,159.25
  5. Step 5: Solve for x
    x = 1,022,016,791,159.25/1,139,791.66
  6. Step 6: Final answer
    x = 896,669.83

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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.