Home / 1,787,893.70-2,681,781.14-777,016.67

Finding the Fourth Proportional to 1,787,893.70, 2,681,781.14 and 777,016.67

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Solution

The fourth proportional to 1,787,893.70, 2,681,781.14 and 777,016.67 is: 1,165,499.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,893.70 : 2,681,781.14 = 777,016.67 : x
  2. Step 2: Convert to fraction form
    1,787,893.70/2,681,781.14 = 777,016.67/x
  3. Step 3: Cross multiply
    1,787,893.70x = 2,681,781.14 × 777,016.67
  4. Step 4: Simplify right side
    1,787,893.70x = 2,083,788,639,605.24
  5. Step 5: Solve for x
    x = 2,083,788,639,605.24/1,787,893.70
  6. Step 6: Final answer
    x = 1,165,499.18

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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.