Home / 1,218,352.56-1,681,502.40-702,007.56

Finding the Fourth Proportional to 1,218,352.56, 1,681,502.40 and 702,007.56

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Solution

The fourth proportional to 1,218,352.56, 1,681,502.40 and 702,007.56 is: 968,871.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,352.56 : 1,681,502.40 = 702,007.56 : x
  2. Step 2: Convert to fraction form
    1,218,352.56/1,681,502.40 = 702,007.56/x
  3. Step 3: Cross multiply
    1,218,352.56x = 1,681,502.40 × 702,007.56
  4. Step 4: Simplify right side
    1,218,352.56x = 1,180,427,396,958.14
  5. Step 5: Solve for x
    x = 1,180,427,396,958.14/1,218,352.56
  6. Step 6: Final answer
    x = 968,871.77

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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.