Home / 1,260,934.79-1,891,262.03-451,286.51

Finding the Fourth Proportional to 1,260,934.79, 1,891,262.03 and 451,286.51

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Solution

The fourth proportional to 1,260,934.79, 1,891,262.03 and 451,286.51 is: 676,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,934.79 : 1,891,262.03 = 451,286.51 : x
  2. Step 2: Convert to fraction form
    1,260,934.79/1,891,262.03 = 451,286.51/x
  3. Step 3: Cross multiply
    1,260,934.79x = 1,891,262.03 × 451,286.51
  4. Step 4: Simplify right side
    1,260,934.79x = 853,501,041,014.22
  5. Step 5: Solve for x
    x = 853,501,041,014.22/1,260,934.79
  6. Step 6: Final answer
    x = 676,879.60

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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.