Home / 1,240,911.80-1,861,713.30-609,846.20

Finding the Fourth Proportional to 1,240,911.80, 1,861,713.30 and 609,846.20

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Solution

The fourth proportional to 1,240,911.80, 1,861,713.30 and 609,846.20 is: 914,939.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,911.80 : 1,861,713.30 = 609,846.20 : x
  2. Step 2: Convert to fraction form
    1,240,911.80/1,861,713.30 = 609,846.20/x
  3. Step 3: Cross multiply
    1,240,911.80x = 1,861,713.30 × 609,846.20
  4. Step 4: Simplify right side
    1,240,911.80x = 1,135,358,781,494.46
  5. Step 5: Solve for x
    x = 1,135,358,781,494.46/1,240,911.80
  6. Step 6: Final answer
    x = 914,939.15

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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.