Home / 1,407,348-1,942,129.31-762,751.62

Finding the Fourth Proportional to 1,407,348, 1,942,129.31 and 762,751.62

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Solution

The fourth proportional to 1,407,348, 1,942,129.31 and 762,751.62 is: 1,052,591.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,348 : 1,942,129.31 = 762,751.62 : x
  2. Step 2: Convert to fraction form
    1,407,348/1,942,129.31 = 762,751.62/x
  3. Step 3: Cross multiply
    1,407,348x = 1,942,129.31 × 762,751.62
  4. Step 4: Simplify right side
    1,407,348x = 1,481,362,273,638.22
  5. Step 5: Solve for x
    x = 1,481,362,273,638.22/1,407,348
  6. Step 6: Final answer
    x = 1,052,591.31

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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.