Home / 1,140,555.35-1,573,859.75-681,578.84

Finding the Fourth Proportional to 1,140,555.35, 1,573,859.75 and 681,578.84

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Solution

The fourth proportional to 1,140,555.35, 1,573,859.75 and 681,578.84 is: 940,515.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,555.35 : 1,573,859.75 = 681,578.84 : x
  2. Step 2: Convert to fraction form
    1,140,555.35/1,573,859.75 = 681,578.84/x
  3. Step 3: Cross multiply
    1,140,555.35x = 1,573,859.75 × 681,578.84
  4. Step 4: Simplify right side
    1,140,555.35x = 1,072,709,491,450.50
  5. Step 5: Solve for x
    x = 1,072,709,491,450.50/1,140,555.35
  6. Step 6: Final answer
    x = 940,515.07

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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.