Home / 1,127,629.89-1,691,527.82-328,932.68

Finding the Fourth Proportional to 1,127,629.89, 1,691,527.82 and 328,932.68

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Solution

The fourth proportional to 1,127,629.89, 1,691,527.82 and 328,932.68 is: 493,423.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,629.89 : 1,691,527.82 = 328,932.68 : x
  2. Step 2: Convert to fraction form
    1,127,629.89/1,691,527.82 = 328,932.68/x
  3. Step 3: Cross multiply
    1,127,629.89x = 1,691,527.82 × 328,932.68
  4. Step 4: Simplify right side
    1,127,629.89x = 556,398,769,024.86
  5. Step 5: Solve for x
    x = 556,398,769,024.86/1,127,629.89
  6. Step 6: Final answer
    x = 493,423.22

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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.