Home / 1,501,981.65-2,253,110.97-491,108.78

Finding the Fourth Proportional to 1,501,981.65, 2,253,110.97 and 491,108.78

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Solution

The fourth proportional to 1,501,981.65, 2,253,110.97 and 491,108.78 is: 736,708.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,981.65 : 2,253,110.97 = 491,108.78 : x
  2. Step 2: Convert to fraction form
    1,501,981.65/2,253,110.97 = 491,108.78/x
  3. Step 3: Cross multiply
    1,501,981.65x = 2,253,110.97 × 491,108.78
  4. Step 4: Simplify right side
    1,501,981.65x = 1,106,522,568,415.76
  5. Step 5: Solve for x
    x = 1,106,522,568,415.76/1,501,981.65
  6. Step 6: Final answer
    x = 736,708.45

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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.