Home / 1,052,998.28-1,579,694.28-421,961.30

Finding the Fourth Proportional to 1,052,998.28, 1,579,694.28 and 421,961.30

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Solution

The fourth proportional to 1,052,998.28, 1,579,694.28 and 421,961.30 is: 633,020.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,998.28 : 1,579,694.28 = 421,961.30 : x
  2. Step 2: Convert to fraction form
    1,052,998.28/1,579,694.28 = 421,961.30/x
  3. Step 3: Cross multiply
    1,052,998.28x = 1,579,694.28 × 421,961.30
  4. Step 4: Simplify right side
    1,052,998.28x = 666,569,851,991.36
  5. Step 5: Solve for x
    x = 666,569,851,991.36/1,052,998.28
  6. Step 6: Final answer
    x = 633,020.84

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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.