Home / 1,315,612.46-1,815,493.95-825,845.42

Finding the Fourth Proportional to 1,315,612.46, 1,815,493.95 and 825,845.42

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Solution

The fourth proportional to 1,315,612.46, 1,815,493.95 and 825,845.42 is: 1,139,634.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,612.46 : 1,815,493.95 = 825,845.42 : x
  2. Step 2: Convert to fraction form
    1,315,612.46/1,815,493.95 = 825,845.42/x
  3. Step 3: Cross multiply
    1,315,612.46x = 1,815,493.95 × 825,845.42
  4. Step 4: Simplify right side
    1,315,612.46x = 1,499,317,363,645.21
  5. Step 5: Solve for x
    x = 1,499,317,363,645.21/1,315,612.46
  6. Step 6: Final answer
    x = 1,139,634.51

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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.