Home / 1,328,780.93-1,993,433.70-487,339.97

Finding the Fourth Proportional to 1,328,780.93, 1,993,433.70 and 487,339.97

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Solution

The fourth proportional to 1,328,780.93, 1,993,433.70 and 487,339.97 is: 731,106.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,780.93 : 1,993,433.70 = 487,339.97 : x
  2. Step 2: Convert to fraction form
    1,328,780.93/1,993,433.70 = 487,339.97/x
  3. Step 3: Cross multiply
    1,328,780.93x = 1,993,433.70 × 487,339.97
  4. Step 4: Simplify right side
    1,328,780.93x = 971,479,919,554.99
  5. Step 5: Solve for x
    x = 971,479,919,554.99/1,328,780.93
  6. Step 6: Final answer
    x = 731,106.16

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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.