Home / 1,494,871.38-2,062,893.72-815,812.74

Finding the Fourth Proportional to 1,494,871.38, 2,062,893.72 and 815,812.74

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Solution

The fourth proportional to 1,494,871.38, 2,062,893.72 and 815,812.74 is: 1,125,805.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,871.38 : 2,062,893.72 = 815,812.74 : x
  2. Step 2: Convert to fraction form
    1,494,871.38/2,062,893.72 = 815,812.74/x
  3. Step 3: Cross multiply
    1,494,871.38x = 2,062,893.72 × 815,812.74
  4. Step 4: Simplify right side
    1,494,871.38x = 1,682,934,978,041.99
  5. Step 5: Solve for x
    x = 1,682,934,978,041.99/1,494,871.38
  6. Step 6: Final answer
    x = 1,125,805.87

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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.