Home / 1,167,003.20-1,750,504.80-280,539.20

Finding the Fourth Proportional to 1,167,003.20, 1,750,504.80 and 280,539.20

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Solution

The fourth proportional to 1,167,003.20, 1,750,504.80 and 280,539.20 is: 420,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,003.20 : 1,750,504.80 = 280,539.20 : x
  2. Step 2: Convert to fraction form
    1,167,003.20/1,750,504.80 = 280,539.20/x
  3. Step 3: Cross multiply
    1,167,003.20x = 1,750,504.80 × 280,539.20
  4. Step 4: Simplify right side
    1,167,003.20x = 491,085,216,188.16
  5. Step 5: Solve for x
    x = 491,085,216,188.16/1,167,003.20
  6. Step 6: Final answer
    x = 420,808.80

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1.5x scale

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.