Home / 1,682,565.36-2,321,928.18-918,618.90

Finding the Fourth Proportional to 1,682,565.36, 2,321,928.18 and 918,618.90

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Solution

The fourth proportional to 1,682,565.36, 2,321,928.18 and 918,618.90 is: 1,267,687.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,565.36 : 2,321,928.18 = 918,618.90 : x
  2. Step 2: Convert to fraction form
    1,682,565.36/2,321,928.18 = 918,618.90/x
  3. Step 3: Cross multiply
    1,682,565.36x = 2,321,928.18 × 918,618.90
  4. Step 4: Simplify right side
    1,682,565.36x = 2,132,967,110,590.60
  5. Step 5: Solve for x
    x = 2,132,967,110,590.60/1,682,565.36
  6. Step 6: Final answer
    x = 1,267,687.52

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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.