Home / 1,207,550.37-1,666,436.76-663,736.44

Finding the Fourth Proportional to 1,207,550.37, 1,666,436.76 and 663,736.44

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Solution

The fourth proportional to 1,207,550.37, 1,666,436.76 and 663,736.44 is: 915,965.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,550.37 : 1,666,436.76 = 663,736.44 : x
  2. Step 2: Convert to fraction form
    1,207,550.37/1,666,436.76 = 663,736.44/x
  3. Step 3: Cross multiply
    1,207,550.37x = 1,666,436.76 × 663,736.44
  4. Step 4: Simplify right side
    1,207,550.37x = 1,106,074,802,567.53
  5. Step 5: Solve for x
    x = 1,106,074,802,567.53/1,207,550.37
  6. Step 6: Final answer
    x = 915,965.77

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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.