Home / 1,288,298.40-1,932,447.60-1,170,200.40

Finding the Fourth Proportional to 1,288,298.40, 1,932,447.60 and 1,170,200.40

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Solution

The fourth proportional to 1,288,298.40, 1,932,447.60 and 1,170,200.40 is: 1,755,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,298.40 : 1,932,447.60 = 1,170,200.40 : x
  2. Step 2: Convert to fraction form
    1,288,298.40/1,932,447.60 = 1,170,200.40/x
  3. Step 3: Cross multiply
    1,288,298.40x = 1,932,447.60 × 1,170,200.40
  4. Step 4: Simplify right side
    1,288,298.40x = 2,261,350,954,499.04
  5. Step 5: Solve for x
    x = 2,261,350,954,499.04/1,288,298.40
  6. Step 6: Final answer
    x = 1,755,300.60

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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.