Home / 1,375,885.04-1,898,657.42-764,076.65

Finding the Fourth Proportional to 1,375,885.04, 1,898,657.42 and 764,076.65

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Solution

The fourth proportional to 1,375,885.04, 1,898,657.42 and 764,076.65 is: 1,054,390.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,885.04 : 1,898,657.42 = 764,076.65 : x
  2. Step 2: Convert to fraction form
    1,375,885.04/1,898,657.42 = 764,076.65/x
  3. Step 3: Cross multiply
    1,375,885.04x = 1,898,657.42 × 764,076.65
  4. Step 4: Simplify right side
    1,375,885.04x = 1,450,719,787,657.57
  5. Step 5: Solve for x
    x = 1,450,719,787,657.57/1,375,885.04
  6. Step 6: Final answer
    x = 1,054,390.27

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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.