Home / 1,140,854.93-1,711,170.99-299,406.68

Finding the Fourth Proportional to 1,140,854.93, 1,711,170.99 and 299,406.68

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Solution

The fourth proportional to 1,140,854.93, 1,711,170.99 and 299,406.68 is: 449,080.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,854.93 : 1,711,170.99 = 299,406.68 : x
  2. Step 2: Convert to fraction form
    1,140,854.93/1,711,170.99 = 299,406.68/x
  3. Step 3: Cross multiply
    1,140,854.93x = 1,711,170.99 × 299,406.68
  4. Step 4: Simplify right side
    1,140,854.93x = 512,336,023,731.33
  5. Step 5: Solve for x
    x = 512,336,023,731.33/1,140,854.93
  6. Step 6: Final answer
    x = 449,080.78

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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.