Home / 1,678,487.46-2,518,893.96-667,505.82

Finding the Fourth Proportional to 1,678,487.46, 2,518,893.96 and 667,505.82

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Solution

The fourth proportional to 1,678,487.46, 2,518,893.96 and 667,505.82 is: 1,001,721.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,487.46 : 2,518,893.96 = 667,505.82 : x
  2. Step 2: Convert to fraction form
    1,678,487.46/2,518,893.96 = 667,505.82/x
  3. Step 3: Cross multiply
    1,678,487.46x = 2,518,893.96 × 667,505.82
  4. Step 4: Simplify right side
    1,678,487.46x = 1,681,376,378,262.85
  5. Step 5: Solve for x
    x = 1,681,376,378,262.85/1,678,487.46
  6. Step 6: Final answer
    x = 1,001,721.14

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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.