Home / 1,471,324.20-2,206,986.30-761,569.80

Finding the Fourth Proportional to 1,471,324.20, 2,206,986.30 and 761,569.80

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Solution

The fourth proportional to 1,471,324.20, 2,206,986.30 and 761,569.80 is: 1,142,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,324.20 : 2,206,986.30 = 761,569.80 : x
  2. Step 2: Convert to fraction form
    1,471,324.20/2,206,986.30 = 761,569.80/x
  3. Step 3: Cross multiply
    1,471,324.20x = 2,206,986.30 × 761,569.80
  4. Step 4: Simplify right side
    1,471,324.20x = 1,680,774,115,093.74
  5. Step 5: Solve for x
    x = 1,680,774,115,093.74/1,471,324.20
  6. Step 6: Final answer
    x = 1,142,354.70

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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.