Home / 1,538,934.12-2,123,735.76-841,229.18

Finding the Fourth Proportional to 1,538,934.12, 2,123,735.76 and 841,229.18

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Solution

The fourth proportional to 1,538,934.12, 2,123,735.76 and 841,229.18 is: 1,160,899.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,934.12 : 2,123,735.76 = 841,229.18 : x
  2. Step 2: Convert to fraction form
    1,538,934.12/2,123,735.76 = 841,229.18/x
  3. Step 3: Cross multiply
    1,538,934.12x = 2,123,735.76 × 841,229.18
  4. Step 4: Simplify right side
    1,538,934.12x = 1,786,548,489,266.81
  5. Step 5: Solve for x
    x = 1,786,548,489,266.81/1,538,934.12
  6. Step 6: Final answer
    x = 1,160,899.92

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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.