Home / 1,218,171.80-1,827,257.70-587,149.40

Finding the Fourth Proportional to 1,218,171.80, 1,827,257.70 and 587,149.40

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Solution

The fourth proportional to 1,218,171.80, 1,827,257.70 and 587,149.40 is: 880,724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,171.80 : 1,827,257.70 = 587,149.40 : x
  2. Step 2: Convert to fraction form
    1,218,171.80/1,827,257.70 = 587,149.40/x
  3. Step 3: Cross multiply
    1,218,171.80x = 1,827,257.70 × 587,149.40
  4. Step 4: Simplify right side
    1,218,171.80x = 1,072,873,262,200.38
  5. Step 5: Solve for x
    x = 1,072,873,262,200.38/1,218,171.80
  6. Step 6: Final answer
    x = 880,724.10

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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.