Home / 1,115,810.46-1,672,733.96-442,365.12

Finding the Fourth Proportional to 1,115,810.46, 1,672,733.96 and 442,365.12

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Solution

The fourth proportional to 1,115,810.46, 1,672,733.96 and 442,365.12 is: 663,158.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,810.46 : 1,672,733.96 = 442,365.12 : x
  2. Step 2: Convert to fraction form
    1,115,810.46/1,672,733.96 = 442,365.12/x
  3. Step 3: Cross multiply
    1,115,810.46x = 1,672,733.96 × 442,365.12
  4. Step 4: Simplify right side
    1,115,810.46x = 739,959,156,731.65
  5. Step 5: Solve for x
    x = 739,959,156,731.65/1,115,810.46
  6. Step 6: Final answer
    x = 663,158.47

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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.