Home / 1,230,400.20-1,847,568.60-931,218.60

Finding the Fourth Proportional to 1,230,400.20, 1,847,568.60 and 931,218.60

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Solution

The fourth proportional to 1,230,400.20, 1,847,568.60 and 931,218.60 is: 1,398,317.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,400.20 : 1,847,568.60 = 931,218.60 : x
  2. Step 2: Convert to fraction form
    1,230,400.20/1,847,568.60 = 931,218.60/x
  3. Step 3: Cross multiply
    1,230,400.20x = 1,847,568.60 × 931,218.60
  4. Step 4: Simplify right side
    1,230,400.20x = 1,720,490,245,095.96
  5. Step 5: Solve for x
    x = 1,720,490,245,095.96/1,230,400.20
  6. Step 6: Final answer
    x = 1,398,317.59

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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.