Home / 1,270,690.56-1,903,109.04-764,140.32

Finding the Fourth Proportional to 1,270,690.56, 1,903,109.04 and 764,140.32

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Solution

The fourth proportional to 1,270,690.56, 1,903,109.04 and 764,140.32 is: 1,144,450.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,690.56 : 1,903,109.04 = 764,140.32 : x
  2. Step 2: Convert to fraction form
    1,270,690.56/1,903,109.04 = 764,140.32/x
  3. Step 3: Cross multiply
    1,270,690.56x = 1,903,109.04 × 764,140.32
  4. Step 4: Simplify right side
    1,270,690.56x = 1,454,242,350,820.49
  5. Step 5: Solve for x
    x = 1,454,242,350,820.49/1,270,690.56
  6. Step 6: Final answer
    x = 1,144,450.42

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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.