Home / 1,281,244.50-1,923,025.86-682,711.20

Finding the Fourth Proportional to 1,281,244.50, 1,923,025.86 and 682,711.20

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Solution

The fourth proportional to 1,281,244.50, 1,923,025.86 and 682,711.20 is: 1,024,684.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,244.50 : 1,923,025.86 = 682,711.20 : x
  2. Step 2: Convert to fraction form
    1,281,244.50/1,923,025.86 = 682,711.20/x
  3. Step 3: Cross multiply
    1,281,244.50x = 1,923,025.86 × 682,711.20
  4. Step 4: Simplify right side
    1,281,244.50x = 1,312,871,292,511.63
  5. Step 5: Solve for x
    x = 1,312,871,292,511.63/1,281,244.50
  6. Step 6: Final answer
    x = 1,024,684.43

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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.