Home / 1,080,004.30-1,620,006.45-744,081.10

Finding the Fourth Proportional to 1,080,004.30, 1,620,006.45 and 744,081.10

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Solution

The fourth proportional to 1,080,004.30, 1,620,006.45 and 744,081.10 is: 1,116,121.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,004.30 : 1,620,006.45 = 744,081.10 : x
  2. Step 2: Convert to fraction form
    1,080,004.30/1,620,006.45 = 744,081.10/x
  3. Step 3: Cross multiply
    1,080,004.30x = 1,620,006.45 × 744,081.10
  4. Step 4: Simplify right side
    1,080,004.30x = 1,205,416,181,323.10
  5. Step 5: Solve for x
    x = 1,205,416,181,323.10/1,080,004.30
  6. Step 6: Final answer
    x = 1,116,121.65

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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.