Home / 1,252,950.34-1,729,072.84-679,990.90

Finding the Fourth Proportional to 1,252,950.34, 1,729,072.84 and 679,990.90

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Solution

The fourth proportional to 1,252,950.34, 1,729,072.84 and 679,990.90 is: 938,388.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,950.34 : 1,729,072.84 = 679,990.90 : x
  2. Step 2: Convert to fraction form
    1,252,950.34/1,729,072.84 = 679,990.90/x
  3. Step 3: Cross multiply
    1,252,950.34x = 1,729,072.84 × 679,990.90
  4. Step 4: Simplify right side
    1,252,950.34x = 1,175,753,796,637.16
  5. Step 5: Solve for x
    x = 1,175,753,796,637.16/1,252,950.34
  6. Step 6: Final answer
    x = 938,388.19

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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.