Home / 1,639,704.78-2,262,781.68-904,696.91

Finding the Fourth Proportional to 1,639,704.78, 2,262,781.68 and 904,696.91

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Solution

The fourth proportional to 1,639,704.78, 2,262,781.68 and 904,696.91 is: 1,248,475.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,704.78 : 2,262,781.68 = 904,696.91 : x
  2. Step 2: Convert to fraction form
    1,639,704.78/2,262,781.68 = 904,696.91/x
  3. Step 3: Cross multiply
    1,639,704.78x = 2,262,781.68 × 904,696.91
  4. Step 4: Simplify right side
    1,639,704.78x = 2,047,131,593,900.61
  5. Step 5: Solve for x
    x = 2,047,131,593,900.61/1,639,704.78
  6. Step 6: Final answer
    x = 1,248,475.71

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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.