Home / 800,089.60-1,200,134.40-734,771.20

Finding the Fourth Proportional to 800,089.60, 1,200,134.40 and 734,771.20

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Solution

The fourth proportional to 800,089.60, 1,200,134.40 and 734,771.20 is: 1,102,156.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,089.60 : 1,200,134.40 = 734,771.20 : x
  2. Step 2: Convert to fraction form
    800,089.60/1,200,134.40 = 734,771.20/x
  3. Step 3: Cross multiply
    800,089.60x = 1,200,134.40 × 734,771.20
  4. Step 4: Simplify right side
    800,089.60x = 881,824,193,249.28
  5. Step 5: Solve for x
    x = 881,824,193,249.28/800,089.60
  6. Step 6: Final answer
    x = 1,102,156.80

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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.