Home / 1,445,730.27-1,995,159.24-872,658.51

Finding the Fourth Proportional to 1,445,730.27, 1,995,159.24 and 872,658.51

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Solution

The fourth proportional to 1,445,730.27, 1,995,159.24 and 872,658.51 is: 1,204,299.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,730.27 : 1,995,159.24 = 872,658.51 : x
  2. Step 2: Convert to fraction form
    1,445,730.27/1,995,159.24 = 872,658.51/x
  3. Step 3: Cross multiply
    1,445,730.27x = 1,995,159.24 × 872,658.51
  4. Step 4: Simplify right side
    1,445,730.27x = 1,741,092,689,591.13
  5. Step 5: Solve for x
    x = 1,741,092,689,591.13/1,445,730.27
  6. Step 6: Final answer
    x = 1,204,299.81

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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.