Home / 1,373,710.80-2,059,606.20-812,456.40

Finding the Fourth Proportional to 1,373,710.80, 2,059,606.20 and 812,456.40

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Solution

The fourth proportional to 1,373,710.80, 2,059,606.20 and 812,456.40 is: 1,218,116.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,710.80 : 2,059,606.20 = 812,456.40 : x
  2. Step 2: Convert to fraction form
    1,373,710.80/2,059,606.20 = 812,456.40/x
  3. Step 3: Cross multiply
    1,373,710.80x = 2,059,606.20 × 812,456.40
  4. Step 4: Simplify right side
    1,373,710.80x = 1,673,340,238,669.68
  5. Step 5: Solve for x
    x = 1,673,340,238,669.68/1,373,710.80
  6. Step 6: Final answer
    x = 1,218,116.83

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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.