Home / 1,115,057.59-1,672,707.97-356,720.81

Finding the Fourth Proportional to 1,115,057.59, 1,672,707.97 and 356,720.81

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Solution

The fourth proportional to 1,115,057.59, 1,672,707.97 and 356,720.81 is: 535,120.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,057.59 : 1,672,707.97 = 356,720.81 : x
  2. Step 2: Convert to fraction form
    1,115,057.59/1,672,707.97 = 356,720.81/x
  3. Step 3: Cross multiply
    1,115,057.59x = 1,672,707.97 × 356,720.81
  4. Step 4: Simplify right side
    1,115,057.59x = 596,689,741,436.65
  5. Step 5: Solve for x
    x = 596,689,741,436.65/1,115,057.59
  6. Step 6: Final answer
    x = 535,120.11

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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.