Home / 1,280,432.93-1,766,845.86-764,091.14

Finding the Fourth Proportional to 1,280,432.93, 1,766,845.86 and 764,091.14

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Solution

The fourth proportional to 1,280,432.93, 1,766,845.86 and 764,091.14 is: 1,054,355.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,432.93 : 1,766,845.86 = 764,091.14 : x
  2. Step 2: Convert to fraction form
    1,280,432.93/1,766,845.86 = 764,091.14/x
  3. Step 3: Cross multiply
    1,280,432.93x = 1,766,845.86 × 764,091.14
  4. Step 4: Simplify right side
    1,280,432.93x = 1,350,031,267,371.68
  5. Step 5: Solve for x
    x = 1,350,031,267,371.68/1,280,432.93
  6. Step 6: Final answer
    x = 1,054,355.32

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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.