Home / 1,815,802.92-2,722,687.43-842,123.18

Finding the Fourth Proportional to 1,815,802.92, 2,722,687.43 and 842,123.18

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Solution

The fourth proportional to 1,815,802.92, 2,722,687.43 and 842,123.18 is: 1,262,713.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,802.92 : 2,722,687.43 = 842,123.18 : x
  2. Step 2: Convert to fraction form
    1,815,802.92/2,722,687.43 = 842,123.18/x
  3. Step 3: Cross multiply
    1,815,802.92x = 2,722,687.43 × 842,123.18
  4. Step 4: Simplify right side
    1,815,802.92x = 2,292,838,199,293.73
  5. Step 5: Solve for x
    x = 2,292,838,199,293.73/1,815,802.92
  6. Step 6: Final answer
    x = 1,262,713.14

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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.