Home / 1,431,397.59-1,974,505.05-858,104.70

Finding the Fourth Proportional to 1,431,397.59, 1,974,505.05 and 858,104.70

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Solution

The fourth proportional to 1,431,397.59, 1,974,505.05 and 858,104.70 is: 1,183,690.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,397.59 : 1,974,505.05 = 858,104.70 : x
  2. Step 2: Convert to fraction form
    1,431,397.59/1,974,505.05 = 858,104.70/x
  3. Step 3: Cross multiply
    1,431,397.59x = 1,974,505.05 × 858,104.70
  4. Step 4: Simplify right side
    1,431,397.59x = 1,694,332,063,578.74
  5. Step 5: Solve for x
    x = 1,694,332,063,578.74/1,431,397.59
  6. Step 6: Final answer
    x = 1,183,690.73

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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.