Home / 1,679,674.92-2,518,020.48-654,768.96

Finding the Fourth Proportional to 1,679,674.92, 2,518,020.48 and 654,768.96

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Solution

The fourth proportional to 1,679,674.92, 2,518,020.48 and 654,768.96 is: 981,571.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,674.92 : 2,518,020.48 = 654,768.96 : x
  2. Step 2: Convert to fraction form
    1,679,674.92/2,518,020.48 = 654,768.96/x
  3. Step 3: Cross multiply
    1,679,674.92x = 2,518,020.48 × 654,768.96
  4. Step 4: Simplify right side
    1,679,674.92x = 1,648,721,650,948.30
  5. Step 5: Solve for x
    x = 1,648,721,650,948.30/1,679,674.92
  6. Step 6: Final answer
    x = 981,571.87

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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.