Home / 1,142,633.78-1,714,234.07-806,331.50

Finding the Fourth Proportional to 1,142,633.78, 1,714,234.07 and 806,331.50

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Solution

The fourth proportional to 1,142,633.78, 1,714,234.07 and 806,331.50 is: 1,209,697.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,633.78 : 1,714,234.07 = 806,331.50 : x
  2. Step 2: Convert to fraction form
    1,142,633.78/1,714,234.07 = 806,331.50/x
  3. Step 3: Cross multiply
    1,142,633.78x = 1,714,234.07 × 806,331.50
  4. Step 4: Simplify right side
    1,142,633.78x = 1,382,240,929,014.21
  5. Step 5: Solve for x
    x = 1,382,240,929,014.21/1,142,633.78
  6. Step 6: Final answer
    x = 1,209,697.24

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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.