Home / 1,776,441.17-2,664,636.99-428,592.46

Finding the Fourth Proportional to 1,776,441.17, 2,664,636.99 and 428,592.46

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Solution

The fourth proportional to 1,776,441.17, 2,664,636.99 and 428,592.46 is: 642,882.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,441.17 : 2,664,636.99 = 428,592.46 : x
  2. Step 2: Convert to fraction form
    1,776,441.17/2,664,636.99 = 428,592.46/x
  3. Step 3: Cross multiply
    1,776,441.17x = 2,664,636.99 × 428,592.46
  4. Step 4: Simplify right side
    1,776,441.17x = 1,142,043,315,889.50
  5. Step 5: Solve for x
    x = 1,142,043,315,889.50/1,776,441.17
  6. Step 6: Final answer
    x = 642,882.71

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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.