Home / 1,280,433.93-1,766,847.24-764,092.14

Finding the Fourth Proportional to 1,280,433.93, 1,766,847.24 and 764,092.14

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Solution

The fourth proportional to 1,280,433.93, 1,766,847.24 and 764,092.14 is: 1,054,356.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,433.93 : 1,766,847.24 = 764,092.14 : x
  2. Step 2: Convert to fraction form
    1,280,433.93/1,766,847.24 = 764,092.14/x
  3. Step 3: Cross multiply
    1,280,433.93x = 1,766,847.24 × 764,092.14
  4. Step 4: Simplify right side
    1,280,433.93x = 1,350,034,088,664.69
  5. Step 5: Solve for x
    x = 1,350,034,088,664.69/1,280,433.93
  6. Step 6: Final answer
    x = 1,054,356.70

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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.