Home / 1,043,390.70-1,566,122.85-511,512.30

Finding the Fourth Proportional to 1,043,390.70, 1,566,122.85 and 511,512.30

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Solution

The fourth proportional to 1,043,390.70, 1,566,122.85 and 511,512.30 is: 767,776.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,390.70 : 1,566,122.85 = 511,512.30 : x
  2. Step 2: Convert to fraction form
    1,043,390.70/1,566,122.85 = 511,512.30/x
  3. Step 3: Cross multiply
    1,043,390.70x = 1,566,122.85 × 511,512.30
  4. Step 4: Simplify right side
    1,043,390.70x = 801,091,101,086.06
  5. Step 5: Solve for x
    x = 801,091,101,086.06/1,043,390.70
  6. Step 6: Final answer
    x = 767,776.73

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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.