Home / 1,776,213.49-2,663,918.40-815,745.73

Finding the Fourth Proportional to 1,776,213.49, 2,663,918.40 and 815,745.73

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Solution

The fourth proportional to 1,776,213.49, 2,663,918.40 and 815,745.73 is: 1,223,434.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,213.49 : 2,663,918.40 = 815,745.73 : x
  2. Step 2: Convert to fraction form
    1,776,213.49/2,663,918.40 = 815,745.73/x
  3. Step 3: Cross multiply
    1,776,213.49x = 2,663,918.40 × 815,745.73
  4. Step 4: Simplify right side
    1,776,213.49x = 2,173,080,059,868.43
  5. Step 5: Solve for x
    x = 2,173,080,059,868.43/1,776,213.49
  6. Step 6: Final answer
    x = 1,223,434.05

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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.