Home / 918,373.20-1,374,838.20-682,760.40

Finding the Fourth Proportional to 918,373.20, 1,374,838.20 and 682,760.40

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Solution

The fourth proportional to 918,373.20, 1,374,838.20 and 682,760.40 is: 1,022,117.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,373.20 : 1,374,838.20 = 682,760.40 : x
  2. Step 2: Convert to fraction form
    918,373.20/1,374,838.20 = 682,760.40/x
  3. Step 3: Cross multiply
    918,373.20x = 1,374,838.20 × 682,760.40
  4. Step 4: Simplify right side
    918,373.20x = 938,685,079,367.28
  5. Step 5: Solve for x
    x = 938,685,079,367.28/918,373.20
  6. Step 6: Final answer
    x = 1,022,117.24

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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.