Home / 1,340,071.40-2,010,227.56-380,536.43

Finding the Fourth Proportional to 1,340,071.40, 2,010,227.56 and 380,536.43

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Solution

The fourth proportional to 1,340,071.40, 2,010,227.56 and 380,536.43 is: 570,838.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,071.40 : 2,010,227.56 = 380,536.43 : x
  2. Step 2: Convert to fraction form
    1,340,071.40/2,010,227.56 = 380,536.43/x
  3. Step 3: Cross multiply
    1,340,071.40x = 2,010,227.56 × 380,536.43
  4. Step 4: Simplify right side
    1,340,071.40x = 764,964,819,170.01
  5. Step 5: Solve for x
    x = 764,964,819,170.01/1,340,071.40
  6. Step 6: Final answer
    x = 570,838.85

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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.