Home / 1,108,708.65-1,663,062.98-754,414.65

Finding the Fourth Proportional to 1,108,708.65, 1,663,062.98 and 754,414.65

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Solution

The fourth proportional to 1,108,708.65, 1,663,062.98 and 754,414.65 is: 1,131,621.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,708.65 : 1,663,062.98 = 754,414.65 : x
  2. Step 2: Convert to fraction form
    1,108,708.65/1,663,062.98 = 754,414.65/x
  3. Step 3: Cross multiply
    1,108,708.65x = 1,663,062.98 × 754,414.65
  4. Step 4: Simplify right side
    1,108,708.65x = 1,254,639,072,212.58
  5. Step 5: Solve for x
    x = 1,254,639,072,212.58/1,108,708.65
  6. Step 6: Final answer
    x = 1,131,621.98

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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.