Home / 1,142,987.42-1,714,766.22-806,684.96

Finding the Fourth Proportional to 1,142,987.42, 1,714,766.22 and 806,684.96

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Solution

The fourth proportional to 1,142,987.42, 1,714,766.22 and 806,684.96 is: 1,210,228.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,987.42 : 1,714,766.22 = 806,684.96 : x
  2. Step 2: Convert to fraction form
    1,142,987.42/1,714,766.22 = 806,684.96/x
  3. Step 3: Cross multiply
    1,142,987.42x = 1,714,766.22 × 806,684.96
  4. Step 4: Simplify right side
    1,142,987.42x = 1,383,276,119,590.05
  5. Step 5: Solve for x
    x = 1,383,276,119,590.05/1,142,987.42
  6. Step 6: Final answer
    x = 1,210,228.65

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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.