Home / 1,540,318.09-2,125,496.31-851,975.13

Finding the Fourth Proportional to 1,540,318.09, 2,125,496.31 and 851,975.13

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Solution

The fourth proportional to 1,540,318.09, 2,125,496.31 and 851,975.13 is: 1,175,646.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,318.09 : 2,125,496.31 = 851,975.13 : x
  2. Step 2: Convert to fraction form
    1,540,318.09/2,125,496.31 = 851,975.13/x
  3. Step 3: Cross multiply
    1,540,318.09x = 2,125,496.31 × 851,975.13
  4. Step 4: Simplify right side
    1,540,318.09x = 1,810,869,995,026.77
  5. Step 5: Solve for x
    x = 1,810,869,995,026.77/1,540,318.09
  6. Step 6: Final answer
    x = 1,175,646.78

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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.