Home / 1,555,009.20-2,332,830.90-881,391.33

Finding the Fourth Proportional to 1,555,009.20, 2,332,830.90 and 881,391.33

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Solution

The fourth proportional to 1,555,009.20, 2,332,830.90 and 881,391.33 is: 1,322,266.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,009.20 : 2,332,830.90 = 881,391.33 : x
  2. Step 2: Convert to fraction form
    1,555,009.20/2,332,830.90 = 881,391.33/x
  3. Step 3: Cross multiply
    1,555,009.20x = 2,332,830.90 × 881,391.33
  4. Step 4: Simplify right side
    1,555,009.20x = 2,056,136,929,616.10
  5. Step 5: Solve for x
    x = 2,056,136,929,616.10/1,555,009.20
  6. Step 6: Final answer
    x = 1,322,266.73

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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.