Home / 1,307,110.30-1,960,667.07-408,556.65

Finding the Fourth Proportional to 1,307,110.30, 1,960,667.07 and 408,556.65

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Solution

The fourth proportional to 1,307,110.30, 1,960,667.07 and 408,556.65 is: 612,835.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,110.30 : 1,960,667.07 = 408,556.65 : x
  2. Step 2: Convert to fraction form
    1,307,110.30/1,960,667.07 = 408,556.65/x
  3. Step 3: Cross multiply
    1,307,110.30x = 1,960,667.07 × 408,556.65
  4. Step 4: Simplify right side
    1,307,110.30x = 801,043,569,884.52
  5. Step 5: Solve for x
    x = 801,043,569,884.52/1,307,110.30
  6. Step 6: Final answer
    x = 612,835.48

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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.