Home / 1,431,718.50-1,974,148.29-914,789.46

Finding the Fourth Proportional to 1,431,718.50, 1,974,148.29 and 914,789.46

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Solution

The fourth proportional to 1,431,718.50, 1,974,148.29 and 914,789.46 is: 1,261,372.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,718.50 : 1,974,148.29 = 914,789.46 : x
  2. Step 2: Convert to fraction form
    1,431,718.50/1,974,148.29 = 914,789.46/x
  3. Step 3: Cross multiply
    1,431,718.50x = 1,974,148.29 × 914,789.46
  4. Step 4: Simplify right side
    1,431,718.50x = 1,805,930,048,169.02
  5. Step 5: Solve for x
    x = 1,805,930,048,169.02/1,431,718.50
  6. Step 6: Final answer
    x = 1,261,372.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.