Home / 1,909,255.38-2,864,676.12-772,820.94

Finding the Fourth Proportional to 1,909,255.38, 2,864,676.12 and 772,820.94

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Solution

The fourth proportional to 1,909,255.38, 2,864,676.12 and 772,820.94 is: 1,159,552.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,255.38 : 2,864,676.12 = 772,820.94 : x
  2. Step 2: Convert to fraction form
    1,909,255.38/2,864,676.12 = 772,820.94/x
  3. Step 3: Cross multiply
    1,909,255.38x = 2,864,676.12 × 772,820.94
  4. Step 4: Simplify right side
    1,909,255.38x = 2,213,881,691,853.95
  5. Step 5: Solve for x
    x = 2,213,881,691,853.95/1,909,255.38
  6. Step 6: Final answer
    x = 1,159,552.42

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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.