Home / 1,731,631.20-2,389,654.30-967,684.76

Finding the Fourth Proportional to 1,731,631.20, 2,389,654.30 and 967,684.76

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Solution

The fourth proportional to 1,731,631.20, 2,389,654.30 and 967,684.76 is: 1,335,406.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,631.20 : 2,389,654.30 = 967,684.76 : x
  2. Step 2: Convert to fraction form
    1,731,631.20/2,389,654.30 = 967,684.76/x
  3. Step 3: Cross multiply
    1,731,631.20x = 2,389,654.30 × 967,684.76
  4. Step 4: Simplify right side
    1,731,631.20x = 2,312,432,047,778.47
  5. Step 5: Solve for x
    x = 2,312,432,047,778.47/1,731,631.20
  6. Step 6: Final answer
    x = 1,335,406.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.