Home / 1,181,931.27-1,631,126.22-722,901.84

Finding the Fourth Proportional to 1,181,931.27, 1,631,126.22 and 722,901.84

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Solution

The fourth proportional to 1,181,931.27, 1,631,126.22 and 722,901.84 is: 997,641.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,931.27 : 1,631,126.22 = 722,901.84 : x
  2. Step 2: Convert to fraction form
    1,181,931.27/1,631,126.22 = 722,901.84/x
  3. Step 3: Cross multiply
    1,181,931.27x = 1,631,126.22 × 722,901.84
  4. Step 4: Simplify right side
    1,181,931.27x = 1,179,144,145,710.24
  5. Step 5: Solve for x
    x = 1,179,144,145,710.24/1,181,931.27
  6. Step 6: Final answer
    x = 997,641.89

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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.