Home / 1,008,200.80-1,512,301.20-949,103.20

Finding the Fourth Proportional to 1,008,200.80, 1,512,301.20 and 949,103.20

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Solution

The fourth proportional to 1,008,200.80, 1,512,301.20 and 949,103.20 is: 1,423,654.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,200.80 : 1,512,301.20 = 949,103.20 : x
  2. Step 2: Convert to fraction form
    1,008,200.80/1,512,301.20 = 949,103.20/x
  3. Step 3: Cross multiply
    1,008,200.80x = 1,512,301.20 × 949,103.20
  4. Step 4: Simplify right side
    1,008,200.80x = 1,435,329,908,283.84
  5. Step 5: Solve for x
    x = 1,435,329,908,283.84/1,008,200.80
  6. Step 6: Final answer
    x = 1,423,654.80

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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.