Home / 1,375,884.84-1,898,684.28-764,021.64

Finding the Fourth Proportional to 1,375,884.84, 1,898,684.28 and 764,021.64

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Solution

The fourth proportional to 1,375,884.84, 1,898,684.28 and 764,021.64 is: 1,054,329.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,884.84 : 1,898,684.28 = 764,021.64 : x
  2. Step 2: Convert to fraction form
    1,375,884.84/1,898,684.28 = 764,021.64/x
  3. Step 3: Cross multiply
    1,375,884.84x = 1,898,684.28 × 764,021.64
  4. Step 4: Simplify right side
    1,375,884.84x = 1,450,635,877,447.82
  5. Step 5: Solve for x
    x = 1,450,635,877,447.82/1,375,884.84
  6. Step 6: Final answer
    x = 1,054,329.43

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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.