Home / 1,208,461.28-1,667,758.08-799,859.12

Finding the Fourth Proportional to 1,208,461.28, 1,667,758.08 and 799,859.12

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Solution

The fourth proportional to 1,208,461.28, 1,667,758.08 and 799,859.12 is: 1,103,859.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,461.28 : 1,667,758.08 = 799,859.12 : x
  2. Step 2: Convert to fraction form
    1,208,461.28/1,667,758.08 = 799,859.12/x
  3. Step 3: Cross multiply
    1,208,461.28x = 1,667,758.08 × 799,859.12
  4. Step 4: Simplify right side
    1,208,461.28x = 1,333,971,510,241.69
  5. Step 5: Solve for x
    x = 1,333,971,510,241.69/1,208,461.28
  6. Step 6: Final answer
    x = 1,103,859.54

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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.