Home / 1,421,738.93-2,132,608.40-475,109.65

Finding the Fourth Proportional to 1,421,738.93, 2,132,608.40 and 475,109.65

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Solution

The fourth proportional to 1,421,738.93, 2,132,608.40 and 475,109.65 is: 712,664.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,738.93 : 2,132,608.40 = 475,109.65 : x
  2. Step 2: Convert to fraction form
    1,421,738.93/2,132,608.40 = 475,109.65/x
  3. Step 3: Cross multiply
    1,421,738.93x = 2,132,608.40 × 475,109.65
  4. Step 4: Simplify right side
    1,421,738.93x = 1,013,222,825,469.75
  5. Step 5: Solve for x
    x = 1,013,222,825,469.75/1,421,738.93
  6. Step 6: Final answer
    x = 712,664.47

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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.