Home / 1,384,867.84-2,065,083.56-1,335,529.12

Finding the Fourth Proportional to 1,384,867.84, 2,065,083.56 and 1,335,529.12

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Solution

The fourth proportional to 1,384,867.84, 2,065,083.56 and 1,335,529.12 is: 1,991,510.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,867.84 : 2,065,083.56 = 1,335,529.12 : x
  2. Step 2: Convert to fraction form
    1,384,867.84/2,065,083.56 = 1,335,529.12/x
  3. Step 3: Cross multiply
    1,384,867.84x = 2,065,083.56 × 1,335,529.12
  4. Step 4: Simplify right side
    1,384,867.84x = 2,757,979,229,613.27
  5. Step 5: Solve for x
    x = 2,757,979,229,613.27/1,384,867.84
  6. Step 6: Final answer
    x = 1,991,510.78

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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.