Home / 981,255.63-1,472,454.50-412,595.54

Finding the Fourth Proportional to 981,255.63, 1,472,454.50 and 412,595.54

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Solution

The fourth proportional to 981,255.63, 1,472,454.50 and 412,595.54 is: 619,133.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,255.63 : 1,472,454.50 = 412,595.54 : x
  2. Step 2: Convert to fraction form
    981,255.63/1,472,454.50 = 412,595.54/x
  3. Step 3: Cross multiply
    981,255.63x = 1,472,454.50 × 412,595.54
  4. Step 4: Simplify right side
    981,255.63x = 607,528,159,552.93
  5. Step 5: Solve for x
    x = 607,528,159,552.93/981,255.63
  6. Step 6: Final answer
    x = 619,133.43

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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.