Home / 1,142,789.85-1,714,199.36-787,708.53

Finding the Fourth Proportional to 1,142,789.85, 1,714,199.36 and 787,708.53

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Solution

The fourth proportional to 1,142,789.85, 1,714,199.36 and 787,708.53 is: 1,181,572.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,789.85 : 1,714,199.36 = 787,708.53 : x
  2. Step 2: Convert to fraction form
    1,142,789.85/1,714,199.36 = 787,708.53/x
  3. Step 3: Cross multiply
    1,142,789.85x = 1,714,199.36 × 787,708.53
  4. Step 4: Simplify right side
    1,142,789.85x = 1,350,289,454,054.00
  5. Step 5: Solve for x
    x = 1,350,289,454,054.00/1,142,789.85
  6. Step 6: Final answer
    x = 1,181,572.84

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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.