Home / 1,218,162.90-1,826,216.94-767,891.52

Finding the Fourth Proportional to 1,218,162.90, 1,826,216.94 and 767,891.52

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Solution

The fourth proportional to 1,218,162.90, 1,826,216.94 and 767,891.52 is: 1,151,189.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,162.90 : 1,826,216.94 = 767,891.52 : x
  2. Step 2: Convert to fraction form
    1,218,162.90/1,826,216.94 = 767,891.52/x
  3. Step 3: Cross multiply
    1,218,162.90x = 1,826,216.94 × 767,891.52
  4. Step 4: Simplify right side
    1,218,162.90x = 1,402,336,501,906.35
  5. Step 5: Solve for x
    x = 1,402,336,501,906.35/1,218,162.90
  6. Step 6: Final answer
    x = 1,151,189.63

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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.