Home / 1,107,187.20-1,660,694.40-433,137.60

Finding the Fourth Proportional to 1,107,187.20, 1,660,694.40 and 433,137.60

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Solution

The fourth proportional to 1,107,187.20, 1,660,694.40 and 433,137.60 is: 649,672.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,187.20 : 1,660,694.40 = 433,137.60 : x
  2. Step 2: Convert to fraction form
    1,107,187.20/1,660,694.40 = 433,137.60/x
  3. Step 3: Cross multiply
    1,107,187.20x = 1,660,694.40 × 433,137.60
  4. Step 4: Simplify right side
    1,107,187.20x = 719,309,186,749.44
  5. Step 5: Solve for x
    x = 719,309,186,749.44/1,107,187.20
  6. Step 6: Final answer
    x = 649,672.60

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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.