Home / 1,444,542.32-1,992,806.88-935,408.72

Finding the Fourth Proportional to 1,444,542.32, 1,992,806.88 and 935,408.72

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Solution

The fourth proportional to 1,444,542.32, 1,992,806.88 and 935,408.72 is: 1,290,435.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,542.32 : 1,992,806.88 = 935,408.72 : x
  2. Step 2: Convert to fraction form
    1,444,542.32/1,992,806.88 = 935,408.72/x
  3. Step 3: Cross multiply
    1,444,542.32x = 1,992,806.88 × 935,408.72
  4. Step 4: Simplify right side
    1,444,542.32x = 1,864,088,932,827.99
  5. Step 5: Solve for x
    x = 1,864,088,932,827.99/1,444,542.32
  6. Step 6: Final answer
    x = 1,290,435.67

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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.