Home / 1,419,012.17-2,127,252.68-520,244.47

Finding the Fourth Proportional to 1,419,012.17, 2,127,252.68 and 520,244.47

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Solution

The fourth proportional to 1,419,012.17, 2,127,252.68 and 520,244.47 is: 779,902.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,012.17 : 2,127,252.68 = 520,244.47 : x
  2. Step 2: Convert to fraction form
    1,419,012.17/2,127,252.68 = 520,244.47/x
  3. Step 3: Cross multiply
    1,419,012.17x = 2,127,252.68 × 520,244.47
  4. Step 4: Simplify right side
    1,419,012.17x = 1,106,691,445,071.44
  5. Step 5: Solve for x
    x = 1,106,691,445,071.44/1,419,012.17
  6. Step 6: Final answer
    x = 779,902.72

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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.