Home / 1,242,971.27-1,855,346.88-1,151,682.13

Finding the Fourth Proportional to 1,242,971.27, 1,855,346.88 and 1,151,682.13

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Solution

The fourth proportional to 1,242,971.27, 1,855,346.88 and 1,151,682.13 is: 1,719,082.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,971.27 : 1,855,346.88 = 1,151,682.13 : x
  2. Step 2: Convert to fraction form
    1,242,971.27/1,855,346.88 = 1,151,682.13/x
  3. Step 3: Cross multiply
    1,242,971.27x = 1,855,346.88 × 1,151,682.13
  4. Step 4: Simplify right side
    1,242,971.27x = 2,136,769,846,647.25
  5. Step 5: Solve for x
    x = 2,136,769,846,647.25/1,242,971.27
  6. Step 6: Final answer
    x = 1,719,082.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.