Home / 1,172,118-1,758,245.16-452,463.78

Finding the Fourth Proportional to 1,172,118, 1,758,245.16 and 452,463.78

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Solution

The fourth proportional to 1,172,118, 1,758,245.16 and 452,463.78 is: 678,721.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,118 : 1,758,245.16 = 452,463.78 : x
  2. Step 2: Convert to fraction form
    1,172,118/1,758,245.16 = 452,463.78/x
  3. Step 3: Cross multiply
    1,172,118x = 1,758,245.16 × 452,463.78
  4. Step 4: Simplify right side
    1,172,118x = 795,542,251,260.31
  5. Step 5: Solve for x
    x = 795,542,251,260.31/1,172,118
  6. Step 6: Final answer
    x = 678,721.98

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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.