Home / 1,418,279.88-2,116,357.92-1,265,426.16

Finding the Fourth Proportional to 1,418,279.88, 2,116,357.92 and 1,265,426.16

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Solution

The fourth proportional to 1,418,279.88, 2,116,357.92 and 1,265,426.16 is: 1,888,269.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,279.88 : 2,116,357.92 = 1,265,426.16 : x
  2. Step 2: Convert to fraction form
    1,418,279.88/2,116,357.92 = 1,265,426.16/x
  3. Step 3: Cross multiply
    1,418,279.88x = 2,116,357.92 × 1,265,426.16
  4. Step 4: Simplify right side
    1,418,279.88x = 2,678,094,675,891.19
  5. Step 5: Solve for x
    x = 2,678,094,675,891.19/1,418,279.88
  6. Step 6: Final answer
    x = 1,888,269.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.