Home / 1,375,877.80-1,898,647.50-764,069.44

Finding the Fourth Proportional to 1,375,877.80, 1,898,647.50 and 764,069.44

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Solution

The fourth proportional to 1,375,877.80, 1,898,647.50 and 764,069.44 is: 1,054,380.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,877.80 : 1,898,647.50 = 764,069.44 : x
  2. Step 2: Convert to fraction form
    1,375,877.80/1,898,647.50 = 764,069.44/x
  3. Step 3: Cross multiply
    1,375,877.80x = 1,898,647.50 × 764,069.44
  4. Step 4: Simplify right side
    1,375,877.80x = 1,450,698,532,082.40
  5. Step 5: Solve for x
    x = 1,450,698,532,082.40/1,375,877.80
  6. Step 6: Final answer
    x = 1,054,380.36

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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.