Home / 902,790.40-1,354,531.20-888,620.80

Finding the Fourth Proportional to 902,790.40, 1,354,531.20 and 888,620.80

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Solution

The fourth proportional to 902,790.40, 1,354,531.20 and 888,620.80 is: 1,333,271.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,790.40 : 1,354,531.20 = 888,620.80 : x
  2. Step 2: Convert to fraction form
    902,790.40/1,354,531.20 = 888,620.80/x
  3. Step 3: Cross multiply
    902,790.40x = 1,354,531.20 × 888,620.80
  4. Step 4: Simplify right side
    902,790.40x = 1,203,664,598,568.96
  5. Step 5: Solve for x
    x = 1,203,664,598,568.96/902,790.40
  6. Step 6: Final answer
    x = 1,333,271.38

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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.