Home / 1,236,391.75-1,855,366.68-526,418.47

Finding the Fourth Proportional to 1,236,391.75, 1,855,366.68 and 526,418.47

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Solution

The fourth proportional to 1,236,391.75, 1,855,366.68 and 526,418.47 is: 789,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,391.75 : 1,855,366.68 = 526,418.47 : x
  2. Step 2: Convert to fraction form
    1,236,391.75/1,855,366.68 = 526,418.47/x
  3. Step 3: Cross multiply
    1,236,391.75x = 1,855,366.68 × 526,418.47
  4. Step 4: Simplify right side
    1,236,391.75x = 976,699,288,974.58
  5. Step 5: Solve for x
    x = 976,699,288,974.58/1,236,391.75
  6. Step 6: Final answer
    x = 789,959.40

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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.