Home / 1,127,356.16-1,691,314.50-328,644.72

Finding the Fourth Proportional to 1,127,356.16, 1,691,314.50 and 328,644.72

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Solution

The fourth proportional to 1,127,356.16, 1,691,314.50 and 328,644.72 is: 493,048.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,356.16 : 1,691,314.50 = 328,644.72 : x
  2. Step 2: Convert to fraction form
    1,127,356.16/1,691,314.50 = 328,644.72/x
  3. Step 3: Cross multiply
    1,127,356.16x = 1,691,314.50 × 328,644.72
  4. Step 4: Simplify right side
    1,127,356.16x = 555,841,580,284.44
  5. Step 5: Solve for x
    x = 555,841,580,284.44/1,127,356.16
  6. Step 6: Final answer
    x = 493,048.78

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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.