Home / 1,587,982.60-2,381,958.06-641,340.28

Finding the Fourth Proportional to 1,587,982.60, 2,381,958.06 and 641,340.28

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Solution

The fourth proportional to 1,587,982.60, 2,381,958.06 and 641,340.28 is: 962,004.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,982.60 : 2,381,958.06 = 641,340.28 : x
  2. Step 2: Convert to fraction form
    1,587,982.60/2,381,958.06 = 641,340.28/x
  3. Step 3: Cross multiply
    1,587,982.60x = 2,381,958.06 × 641,340.28
  4. Step 4: Simplify right side
    1,587,982.60x = 1,527,645,649,148.66
  5. Step 5: Solve for x
    x = 1,527,645,649,148.66/1,587,982.60
  6. Step 6: Final answer
    x = 962,004.02

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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.