Home / 1,207,449.35-1,811,236.07-308,898.88

Finding the Fourth Proportional to 1,207,449.35, 1,811,236.07 and 308,898.88

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Solution

The fourth proportional to 1,207,449.35, 1,811,236.07 and 308,898.88 is: 463,364.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,449.35 : 1,811,236.07 = 308,898.88 : x
  2. Step 2: Convert to fraction form
    1,207,449.35/1,811,236.07 = 308,898.88/x
  3. Step 3: Cross multiply
    1,207,449.35x = 1,811,236.07 × 308,898.88
  4. Step 4: Simplify right side
    1,207,449.35x = 559,488,793,438.60
  5. Step 5: Solve for x
    x = 559,488,793,438.60/1,207,449.35
  6. Step 6: Final answer
    x = 463,364.19

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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.