Home / 1,241,617.20-1,861,988.40-442,924.80

Finding the Fourth Proportional to 1,241,617.20, 1,861,988.40 and 442,924.80

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Solution

The fourth proportional to 1,241,617.20, 1,861,988.40 and 442,924.80 is: 664,231.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,617.20 : 1,861,988.40 = 442,924.80 : x
  2. Step 2: Convert to fraction form
    1,241,617.20/1,861,988.40 = 442,924.80/x
  3. Step 3: Cross multiply
    1,241,617.20x = 1,861,988.40 × 442,924.80
  4. Step 4: Simplify right side
    1,241,617.20x = 824,720,839,672.32
  5. Step 5: Solve for x
    x = 824,720,839,672.32/1,241,617.20
  6. Step 6: Final answer
    x = 664,231.17

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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.