Home / 1,124,921.38-1,687,513.14-395,220.34

Finding the Fourth Proportional to 1,124,921.38, 1,687,513.14 and 395,220.34

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Solution

The fourth proportional to 1,124,921.38, 1,687,513.14 and 395,220.34 is: 592,876.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,921.38 : 1,687,513.14 = 395,220.34 : x
  2. Step 2: Convert to fraction form
    1,124,921.38/1,687,513.14 = 395,220.34/x
  3. Step 3: Cross multiply
    1,124,921.38x = 1,687,513.14 × 395,220.34
  4. Step 4: Simplify right side
    1,124,921.38x = 666,939,516,945.27
  5. Step 5: Solve for x
    x = 666,939,516,945.27/1,124,921.38
  6. Step 6: Final answer
    x = 592,876.56

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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.