Home / 1,815,264.80-2,722,897.20-485,568.80

Finding the Fourth Proportional to 1,815,264.80, 2,722,897.20 and 485,568.80

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Solution

The fourth proportional to 1,815,264.80, 2,722,897.20 and 485,568.80 is: 728,353.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,264.80 : 2,722,897.20 = 485,568.80 : x
  2. Step 2: Convert to fraction form
    1,815,264.80/2,722,897.20 = 485,568.80/x
  3. Step 3: Cross multiply
    1,815,264.80x = 2,722,897.20 × 485,568.80
  4. Step 4: Simplify right side
    1,815,264.80x = 1,322,153,925,927.36
  5. Step 5: Solve for x
    x = 1,322,153,925,927.36/1,815,264.80
  6. Step 6: Final answer
    x = 728,353.20

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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.