Home / 1,449,879.48-2,000,778.03-805,340.88

Finding the Fourth Proportional to 1,449,879.48, 2,000,778.03 and 805,340.88

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Solution

The fourth proportional to 1,449,879.48, 2,000,778.03 and 805,340.88 is: 1,111,339.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,879.48 : 2,000,778.03 = 805,340.88 : x
  2. Step 2: Convert to fraction form
    1,449,879.48/2,000,778.03 = 805,340.88/x
  3. Step 3: Cross multiply
    1,449,879.48x = 2,000,778.03 × 805,340.88
  4. Step 4: Simplify right side
    1,449,879.48x = 1,611,308,339,364.87
  5. Step 5: Solve for x
    x = 1,611,308,339,364.87/1,449,879.48
  6. Step 6: Final answer
    x = 1,111,339.50

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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.