Home / 1,115,217.25-1,669,206.67-602,169.18

Finding the Fourth Proportional to 1,115,217.25, 1,669,206.67 and 602,169.18

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Solution

The fourth proportional to 1,115,217.25, 1,669,206.67 and 602,169.18 is: 901,299.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,217.25 : 1,669,206.67 = 602,169.18 : x
  2. Step 2: Convert to fraction form
    1,115,217.25/1,669,206.67 = 602,169.18/x
  3. Step 3: Cross multiply
    1,115,217.25x = 1,669,206.67 × 602,169.18
  4. Step 4: Simplify right side
    1,115,217.25x = 1,005,144,811,724.43
  5. Step 5: Solve for x
    x = 1,005,144,811,724.43/1,115,217.25
  6. Step 6: Final answer
    x = 901,299.56

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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.