Home / 1,107,589.70-1,661,298.15-433,540.10

Finding the Fourth Proportional to 1,107,589.70, 1,661,298.15 and 433,540.10

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Solution

The fourth proportional to 1,107,589.70, 1,661,298.15 and 433,540.10 is: 650,276.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,589.70 : 1,661,298.15 = 433,540.10 : x
  2. Step 2: Convert to fraction form
    1,107,589.70/1,661,298.15 = 433,540.10/x
  3. Step 3: Cross multiply
    1,107,589.70x = 1,661,298.15 × 433,540.10
  4. Step 4: Simplify right side
    1,107,589.70x = 720,239,366,080.82
  5. Step 5: Solve for x
    x = 720,239,366,080.82/1,107,589.70
  6. Step 6: Final answer
    x = 650,276.33

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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.