Home / 1,212,331.26-1,672,939.77-668,470.56

Finding the Fourth Proportional to 1,212,331.26, 1,672,939.77 and 668,470.56

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Solution

The fourth proportional to 1,212,331.26, 1,672,939.77 and 668,470.56 is: 922,446.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,331.26 : 1,672,939.77 = 668,470.56 : x
  2. Step 2: Convert to fraction form
    1,212,331.26/1,672,939.77 = 668,470.56/x
  3. Step 3: Cross multiply
    1,212,331.26x = 1,672,939.77 × 668,470.56
  4. Step 4: Simplify right side
    1,212,331.26x = 1,118,310,984,898.17
  5. Step 5: Solve for x
    x = 1,118,310,984,898.17/1,212,331.26
  6. Step 6: Final answer
    x = 922,446.71

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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.