Home / 1,761,946.78-2,642,920.20-764,674.78

Finding the Fourth Proportional to 1,761,946.78, 2,642,920.20 and 764,674.78

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Solution

The fourth proportional to 1,761,946.78, 2,642,920.20 and 764,674.78 is: 1,147,012.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,946.78 : 2,642,920.20 = 764,674.78 : x
  2. Step 2: Convert to fraction form
    1,761,946.78/2,642,920.20 = 764,674.78/x
  3. Step 3: Cross multiply
    1,761,946.78x = 2,642,920.20 × 764,674.78
  4. Step 4: Simplify right side
    1,761,946.78x = 2,020,974,422,492.56
  5. Step 5: Solve for x
    x = 2,020,974,422,492.56/1,761,946.78
  6. Step 6: Final answer
    x = 1,147,012.18

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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.