Home / 1,230,292.20-1,847,406.60-931,110.60

Finding the Fourth Proportional to 1,230,292.20, 1,847,406.60 and 931,110.60

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Solution

The fourth proportional to 1,230,292.20, 1,847,406.60 and 931,110.60 is: 1,398,155.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,292.20 : 1,847,406.60 = 931,110.60 : x
  2. Step 2: Convert to fraction form
    1,230,292.20/1,847,406.60 = 931,110.60/x
  3. Step 3: Cross multiply
    1,230,292.20x = 1,847,406.60 × 931,110.60
  4. Step 4: Simplify right side
    1,230,292.20x = 1,720,139,867,769.96
  5. Step 5: Solve for x
    x = 1,720,139,867,769.96/1,230,292.20
  6. Step 6: Final answer
    x = 1,398,155.55

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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.