Home / 1,090,587.60-1,505,601.16-764,900.56

Finding the Fourth Proportional to 1,090,587.60, 1,505,601.16 and 764,900.56

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Solution

The fourth proportional to 1,090,587.60, 1,505,601.16 and 764,900.56 is: 1,055,976.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,587.60 : 1,505,601.16 = 764,900.56 : x
  2. Step 2: Convert to fraction form
    1,090,587.60/1,505,601.16 = 764,900.56/x
  3. Step 3: Cross multiply
    1,090,587.60x = 1,505,601.16 × 764,900.56
  4. Step 4: Simplify right side
    1,090,587.60x = 1,151,635,170,420.65
  5. Step 5: Solve for x
    x = 1,151,635,170,420.65/1,090,587.60
  6. Step 6: Final answer
    x = 1,055,976.77

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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.