Home / 1,127,352.90-1,691,309.61-328,641.47

Finding the Fourth Proportional to 1,127,352.90, 1,691,309.61 and 328,641.47

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Solution

The fourth proportional to 1,127,352.90, 1,691,309.61 and 328,641.47 is: 493,043.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,352.90 : 1,691,309.61 = 328,641.47 : x
  2. Step 2: Convert to fraction form
    1,127,352.90/1,691,309.61 = 328,641.47/x
  3. Step 3: Cross multiply
    1,127,352.90x = 1,691,309.61 × 328,641.47
  4. Step 4: Simplify right side
    1,127,352.90x = 555,834,470,046.72
  5. Step 5: Solve for x
    x = 555,834,470,046.72/1,127,352.90
  6. Step 6: Final answer
    x = 493,043.90

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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.