Home / 1,208,167.88-1,667,307.96-664,275.56

Finding the Fourth Proportional to 1,208,167.88, 1,667,307.96 and 664,275.56

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Solution

The fourth proportional to 1,208,167.88, 1,667,307.96 and 664,275.56 is: 916,720.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,167.88 : 1,667,307.96 = 664,275.56 : x
  2. Step 2: Convert to fraction form
    1,208,167.88/1,667,307.96 = 664,275.56/x
  3. Step 3: Cross multiply
    1,208,167.88x = 1,667,307.96 × 664,275.56
  4. Step 4: Simplify right side
    1,208,167.88x = 1,107,551,928,821.46
  5. Step 5: Solve for x
    x = 1,107,551,928,821.46/1,208,167.88
  6. Step 6: Final answer
    x = 916,720.22

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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.