Home / 1,308,725.36-1,962,294.92-853,656.56

Finding the Fourth Proportional to 1,308,725.36, 1,962,294.92 and 853,656.56

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Solution

The fourth proportional to 1,308,725.36, 1,962,294.92 and 853,656.56 is: 1,279,967.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,725.36 : 1,962,294.92 = 853,656.56 : x
  2. Step 2: Convert to fraction form
    1,308,725.36/1,962,294.92 = 853,656.56/x
  3. Step 3: Cross multiply
    1,308,725.36x = 1,962,294.92 × 853,656.56
  4. Step 4: Simplify right side
    1,308,725.36x = 1,675,125,931,112.68
  5. Step 5: Solve for x
    x = 1,675,125,931,112.68/1,308,725.36
  6. Step 6: Final answer
    x = 1,279,967.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.