Home / 1,207,549.37-1,666,435.38-663,735.44

Finding the Fourth Proportional to 1,207,549.37, 1,666,435.38 and 663,735.44

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Solution

The fourth proportional to 1,207,549.37, 1,666,435.38 and 663,735.44 is: 915,964.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,549.37 : 1,666,435.38 = 663,735.44 : x
  2. Step 2: Convert to fraction form
    1,207,549.37/1,666,435.38 = 663,735.44/x
  3. Step 3: Cross multiply
    1,207,549.37x = 1,666,435.38 × 663,735.44
  4. Step 4: Simplify right side
    1,207,549.37x = 1,106,072,220,175.87
  5. Step 5: Solve for x
    x = 1,106,072,220,175.87/1,207,549.37
  6. Step 6: Final answer
    x = 915,964.39

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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.