Home / 1,510,946.38-2,266,508.42-431,375.95

Finding the Fourth Proportional to 1,510,946.38, 2,266,508.42 and 431,375.95

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Solution

The fourth proportional to 1,510,946.38, 2,266,508.42 and 431,375.95 is: 647,089.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,946.38 : 2,266,508.42 = 431,375.95 : x
  2. Step 2: Convert to fraction form
    1,510,946.38/2,266,508.42 = 431,375.95/x
  3. Step 3: Cross multiply
    1,510,946.38x = 2,266,508.42 × 431,375.95
  4. Step 4: Simplify right side
    1,510,946.38x = 977,717,222,860.50
  5. Step 5: Solve for x
    x = 977,717,222,860.50/1,510,946.38
  6. Step 6: Final answer
    x = 647,089.29

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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.