Home / 1,218,169.80-1,827,254.70-587,147.40

Finding the Fourth Proportional to 1,218,169.80, 1,827,254.70 and 587,147.40

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Solution

The fourth proportional to 1,218,169.80, 1,827,254.70 and 587,147.40 is: 880,721.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,169.80 : 1,827,254.70 = 587,147.40 : x
  2. Step 2: Convert to fraction form
    1,218,169.80/1,827,254.70 = 587,147.40/x
  3. Step 3: Cross multiply
    1,218,169.80x = 1,827,254.70 × 587,147.40
  4. Step 4: Simplify right side
    1,218,169.80x = 1,072,867,846,242.78
  5. Step 5: Solve for x
    x = 1,072,867,846,242.78/1,218,169.80
  6. Step 6: Final answer
    x = 880,721.10

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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.