Home / 1,308,764.72-1,806,204.39-728,097.24

Finding the Fourth Proportional to 1,308,764.72, 1,806,204.39 and 728,097.24

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Solution

The fourth proportional to 1,308,764.72, 1,806,204.39 and 728,097.24 is: 1,004,834.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,764.72 : 1,806,204.39 = 728,097.24 : x
  2. Step 2: Convert to fraction form
    1,308,764.72/1,806,204.39 = 728,097.24/x
  3. Step 3: Cross multiply
    1,308,764.72x = 1,806,204.39 × 728,097.24
  4. Step 4: Simplify right side
    1,308,764.72x = 1,315,092,425,579.46
  5. Step 5: Solve for x
    x = 1,315,092,425,579.46/1,308,764.72
  6. Step 6: Final answer
    x = 1,004,834.87

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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.