Home / 1,431,793.53-1,975,876.34-787,224.69

Finding the Fourth Proportional to 1,431,793.53, 1,975,876.34 and 787,224.69

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Solution

The fourth proportional to 1,431,793.53, 1,975,876.34 and 787,224.69 is: 1,086,370.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,793.53 : 1,975,876.34 = 787,224.69 : x
  2. Step 2: Convert to fraction form
    1,431,793.53/1,975,876.34 = 787,224.69/x
  3. Step 3: Cross multiply
    1,431,793.53x = 1,975,876.34 × 787,224.69
  4. Step 4: Simplify right side
    1,431,793.53x = 1,555,458,635,298.71
  5. Step 5: Solve for x
    x = 1,555,458,635,298.71/1,431,793.53
  6. Step 6: Final answer
    x = 1,086,370.77

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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.