Home / 1,431,508.50-2,147,275.71-434,236.50

Finding the Fourth Proportional to 1,431,508.50, 2,147,275.71 and 434,236.50

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Solution

The fourth proportional to 1,431,508.50, 2,147,275.71 and 434,236.50 is: 651,358.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,508.50 : 2,147,275.71 = 434,236.50 : x
  2. Step 2: Convert to fraction form
    1,431,508.50/2,147,275.71 = 434,236.50/x
  3. Step 3: Cross multiply
    1,431,508.50x = 2,147,275.71 × 434,236.50
  4. Step 4: Simplify right side
    1,431,508.50x = 932,425,488,845.42
  5. Step 5: Solve for x
    x = 932,425,488,845.42/1,431,508.50
  6. Step 6: Final answer
    x = 651,358.68

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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.