Home / 1,612,530.89-2,418,801.30-398,107.65

Finding the Fourth Proportional to 1,612,530.89, 2,418,801.30 and 398,107.65

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Solution

The fourth proportional to 1,612,530.89, 2,418,801.30 and 398,107.65 is: 597,162.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,530.89 : 2,418,801.30 = 398,107.65 : x
  2. Step 2: Convert to fraction form
    1,612,530.89/2,418,801.30 = 398,107.65/x
  3. Step 3: Cross multiply
    1,612,530.89x = 2,418,801.30 × 398,107.65
  4. Step 4: Simplify right side
    1,612,530.89x = 962,943,302,355.21
  5. Step 5: Solve for x
    x = 962,943,302,355.21/1,612,530.89
  6. Step 6: Final answer
    x = 597,162.70

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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.