Home / 1,262,040.08-1,741,602.12-689,078.48

Finding the Fourth Proportional to 1,262,040.08, 1,741,602.12 and 689,078.48

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Solution

The fourth proportional to 1,262,040.08, 1,741,602.12 and 689,078.48 is: 950,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,040.08 : 1,741,602.12 = 689,078.48 : x
  2. Step 2: Convert to fraction form
    1,262,040.08/1,741,602.12 = 689,078.48/x
  3. Step 3: Cross multiply
    1,262,040.08x = 1,741,602.12 × 689,078.48
  4. Step 4: Simplify right side
    1,262,040.08x = 1,200,100,541,614.38
  5. Step 5: Solve for x
    x = 1,200,100,541,614.38/1,262,040.08
  6. Step 6: Final answer
    x = 950,921.10

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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.