Home / 1,402,282.27-1,938,418.52-1,250,821.57

Finding the Fourth Proportional to 1,402,282.27, 1,938,418.52 and 1,250,821.57

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Solution

The fourth proportional to 1,402,282.27, 1,938,418.52 and 1,250,821.57 is: 1,729,049.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,282.27 : 1,938,418.52 = 1,250,821.57 : x
  2. Step 2: Convert to fraction form
    1,402,282.27/1,938,418.52 = 1,250,821.57/x
  3. Step 3: Cross multiply
    1,402,282.27x = 1,938,418.52 × 1,250,821.57
  4. Step 4: Simplify right side
    1,402,282.27x = 2,424,615,690,249.37
  5. Step 5: Solve for x
    x = 2,424,615,690,249.37/1,402,282.27
  6. Step 6: Final answer
    x = 1,729,049.67

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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.