Home / 1,787,715.75-2,467,047.78-982,899.75

Finding the Fourth Proportional to 1,787,715.75, 2,467,047.78 and 982,899.75

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Solution

The fourth proportional to 1,787,715.75, 2,467,047.78 and 982,899.75 is: 1,356,401.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,715.75 : 2,467,047.78 = 982,899.75 : x
  2. Step 2: Convert to fraction form
    1,787,715.75/2,467,047.78 = 982,899.75/x
  3. Step 3: Cross multiply
    1,787,715.75x = 2,467,047.78 × 982,899.75
  4. Step 4: Simplify right side
    1,787,715.75x = 2,424,860,646,200.05
  5. Step 5: Solve for x
    x = 2,424,860,646,200.05/1,787,715.75
  6. Step 6: Final answer
    x = 1,356,401.68

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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.