Home / 1,498,128.80-2,247,193.20-866,717.60

Finding the Fourth Proportional to 1,498,128.80, 2,247,193.20 and 866,717.60

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Solution

The fourth proportional to 1,498,128.80, 2,247,193.20 and 866,717.60 is: 1,300,076.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,128.80 : 2,247,193.20 = 866,717.60 : x
  2. Step 2: Convert to fraction form
    1,498,128.80/2,247,193.20 = 866,717.60/x
  3. Step 3: Cross multiply
    1,498,128.80x = 2,247,193.20 × 866,717.60
  4. Step 4: Simplify right side
    1,498,128.80x = 1,947,681,897,040.32
  5. Step 5: Solve for x
    x = 1,947,681,897,040.32/1,498,128.80
  6. Step 6: Final answer
    x = 1,300,076.40

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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.