Home / 1,049,108.38-1,447,641.13-661,778.38

Finding the Fourth Proportional to 1,049,108.38, 1,447,641.13 and 661,778.38

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Solution

The fourth proportional to 1,049,108.38, 1,447,641.13 and 661,778.38 is: 913,173.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,108.38 : 1,447,641.13 = 661,778.38 : x
  2. Step 2: Convert to fraction form
    1,049,108.38/1,447,641.13 = 661,778.38/x
  3. Step 3: Cross multiply
    1,049,108.38x = 1,447,641.13 × 661,778.38
  4. Step 4: Simplify right side
    1,049,108.38x = 958,017,594,594.56
  5. Step 5: Solve for x
    x = 958,017,594,594.56/1,049,108.38
  6. Step 6: Final answer
    x = 913,173.14

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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.