Home / 1,520,747.48-2,098,489.32-908,778.80

Finding the Fourth Proportional to 1,520,747.48, 2,098,489.32 and 908,778.80

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Solution

The fourth proportional to 1,520,747.48, 2,098,489.32 and 908,778.80 is: 1,254,029.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,747.48 : 2,098,489.32 = 908,778.80 : x
  2. Step 2: Convert to fraction form
    1,520,747.48/2,098,489.32 = 908,778.80/x
  3. Step 3: Cross multiply
    1,520,747.48x = 2,098,489.32 × 908,778.80
  4. Step 4: Simplify right side
    1,520,747.48x = 1,907,062,606,042.42
  5. Step 5: Solve for x
    x = 1,907,062,606,042.42/1,520,747.48
  6. Step 6: Final answer
    x = 1,254,029.77

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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.