Home / 1,374,039.09-1,896,400.80-762,388.65

Finding the Fourth Proportional to 1,374,039.09, 1,896,400.80 and 762,388.65

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Solution

The fourth proportional to 1,374,039.09, 1,896,400.80 and 762,388.65 is: 1,052,222.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,039.09 : 1,896,400.80 = 762,388.65 : x
  2. Step 2: Convert to fraction form
    1,374,039.09/1,896,400.80 = 762,388.65/x
  3. Step 3: Cross multiply
    1,374,039.09x = 1,896,400.80 × 762,388.65
  4. Step 4: Simplify right side
    1,374,039.09x = 1,445,794,445,770.92
  5. Step 5: Solve for x
    x = 1,445,794,445,770.92/1,374,039.09
  6. Step 6: Final answer
    x = 1,052,222.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.