Home / 1,127,474.76-1,691,032.11-328,569.43

Finding the Fourth Proportional to 1,127,474.76, 1,691,032.11 and 328,569.43

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Solution

The fourth proportional to 1,127,474.76, 1,691,032.11 and 328,569.43 is: 492,801.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,474.76 : 1,691,032.11 = 328,569.43 : x
  2. Step 2: Convert to fraction form
    1,127,474.76/1,691,032.11 = 328,569.43/x
  3. Step 3: Cross multiply
    1,127,474.76x = 1,691,032.11 × 328,569.43
  4. Step 4: Simplify right side
    1,127,474.76x = 555,621,456,494.40
  5. Step 5: Solve for x
    x = 555,621,456,494.40/1,127,474.76
  6. Step 6: Final answer
    x = 492,801.68

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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.