Home / 1,307,104.30-1,960,658.07-408,550.65

Finding the Fourth Proportional to 1,307,104.30, 1,960,658.07 and 408,550.65

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Solution

The fourth proportional to 1,307,104.30, 1,960,658.07 and 408,550.65 is: 612,826.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,104.30 : 1,960,658.07 = 408,550.65 : x
  2. Step 2: Convert to fraction form
    1,307,104.30/1,960,658.07 = 408,550.65/x
  3. Step 3: Cross multiply
    1,307,104.30x = 1,960,658.07 × 408,550.65
  4. Step 4: Simplify right side
    1,307,104.30x = 801,028,128,926.25
  5. Step 5: Solve for x
    x = 801,028,128,926.25/1,307,104.30
  6. Step 6: Final answer
    x = 612,826.48

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Double scale
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1.5x scale

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.