Home / 1,190,110.92-1,785,162.47-431,951.38

Finding the Fourth Proportional to 1,190,110.92, 1,785,162.47 and 431,951.38

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Solution

The fourth proportional to 1,190,110.92, 1,785,162.47 and 431,951.38 is: 647,925.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,110.92 : 1,785,162.47 = 431,951.38 : x
  2. Step 2: Convert to fraction form
    1,190,110.92/1,785,162.47 = 431,951.38/x
  3. Step 3: Cross multiply
    1,190,110.92x = 1,785,162.47 × 431,951.38
  4. Step 4: Simplify right side
    1,190,110.92x = 771,103,389,057.68
  5. Step 5: Solve for x
    x = 771,103,389,057.68/1,190,110.92
  6. Step 6: Final answer
    x = 647,925.65

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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.