Home / 1,218,376.56-1,681,535.52-702,031.56

Finding the Fourth Proportional to 1,218,376.56, 1,681,535.52 and 702,031.56

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Solution

The fourth proportional to 1,218,376.56, 1,681,535.52 and 702,031.56 is: 968,904.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,376.56 : 1,681,535.52 = 702,031.56 : x
  2. Step 2: Convert to fraction form
    1,218,376.56/1,681,535.52 = 702,031.56/x
  3. Step 3: Cross multiply
    1,218,376.56x = 1,681,535.52 × 702,031.56
  4. Step 4: Simplify right side
    1,218,376.56x = 1,180,491,004,301.01
  5. Step 5: Solve for x
    x = 1,180,491,004,301.01/1,218,376.56
  6. Step 6: Final answer
    x = 968,904.89

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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.