Home / 1,344,320.11-2,017,320.78-545,601.55

Finding the Fourth Proportional to 1,344,320.11, 2,017,320.78 and 545,601.55

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Solution

The fourth proportional to 1,344,320.11, 2,017,320.78 and 545,601.55 is: 818,743.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,320.11 : 2,017,320.78 = 545,601.55 : x
  2. Step 2: Convert to fraction form
    1,344,320.11/2,017,320.78 = 545,601.55/x
  3. Step 3: Cross multiply
    1,344,320.11x = 2,017,320.78 × 545,601.55
  4. Step 4: Simplify right side
    1,344,320.11x = 1,100,653,344,415.21
  5. Step 5: Solve for x
    x = 1,100,653,344,415.21/1,344,320.11
  6. Step 6: Final answer
    x = 818,743.49

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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.