Home / 1,108,058.28-1,528,174.62-764,442.30

Finding the Fourth Proportional to 1,108,058.28, 1,528,174.62 and 764,442.30

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Solution

The fourth proportional to 1,108,058.28, 1,528,174.62 and 764,442.30 is: 1,054,277.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,058.28 : 1,528,174.62 = 764,442.30 : x
  2. Step 2: Convert to fraction form
    1,108,058.28/1,528,174.62 = 764,442.30/x
  3. Step 3: Cross multiply
    1,108,058.28x = 1,528,174.62 × 764,442.30
  4. Step 4: Simplify right side
    1,108,058.28x = 1,168,201,321,314.43
  5. Step 5: Solve for x
    x = 1,168,201,321,314.43/1,108,058.28
  6. Step 6: Final answer
    x = 1,054,277.87

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Double scale
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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.