Home / 1,127,869.40-1,691,128.38-359,034.95

Finding the Fourth Proportional to 1,127,869.40, 1,691,128.38 and 359,034.95

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Solution

The fourth proportional to 1,127,869.40, 1,691,128.38 and 359,034.95 is: 538,337.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,869.40 : 1,691,128.38 = 359,034.95 : x
  2. Step 2: Convert to fraction form
    1,127,869.40/1,691,128.38 = 359,034.95/x
  3. Step 3: Cross multiply
    1,127,869.40x = 1,691,128.38 × 359,034.95
  4. Step 4: Simplify right side
    1,127,869.40x = 607,174,193,356.88
  5. Step 5: Solve for x
    x = 607,174,193,356.88/1,127,869.40
  6. Step 6: Final answer
    x = 538,337.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.