Home / 1,080,260.08-1,620,736.28-756,385.54

Finding the Fourth Proportional to 1,080,260.08, 1,620,736.28 and 756,385.54

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Solution

The fourth proportional to 1,080,260.08, 1,620,736.28 and 756,385.54 is: 1,134,820.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,260.08 : 1,620,736.28 = 756,385.54 : x
  2. Step 2: Convert to fraction form
    1,080,260.08/1,620,736.28 = 756,385.54/x
  3. Step 3: Cross multiply
    1,080,260.08x = 1,620,736.28 × 756,385.54
  4. Step 4: Simplify right side
    1,080,260.08x = 1,225,901,486,345.39
  5. Step 5: Solve for x
    x = 1,225,901,486,345.39/1,080,260.08
  6. Step 6: Final answer
    x = 1,134,820.69

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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.