Home / 1,208,218.53-1,667,401.43-749,480.91

Finding the Fourth Proportional to 1,208,218.53, 1,667,401.43 and 749,480.91

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Solution

The fourth proportional to 1,208,218.53, 1,667,401.43 and 749,480.91 is: 1,034,320.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,218.53 : 1,667,401.43 = 749,480.91 : x
  2. Step 2: Convert to fraction form
    1,208,218.53/1,667,401.43 = 749,480.91/x
  3. Step 3: Cross multiply
    1,208,218.53x = 1,667,401.43 × 749,480.91
  4. Step 4: Simplify right side
    1,208,218.53x = 1,249,685,536,416.88
  5. Step 5: Solve for x
    x = 1,249,685,536,416.88/1,208,218.53
  6. Step 6: Final answer
    x = 1,034,320.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.