Home / 1,028,522.28-1,418,889.42-666,062.94

Finding the Fourth Proportional to 1,028,522.28, 1,418,889.42 and 666,062.94

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Solution

The fourth proportional to 1,028,522.28, 1,418,889.42 and 666,062.94 is: 918,861.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,522.28 : 1,418,889.42 = 666,062.94 : x
  2. Step 2: Convert to fraction form
    1,028,522.28/1,418,889.42 = 666,062.94/x
  3. Step 3: Cross multiply
    1,028,522.28x = 1,418,889.42 × 666,062.94
  4. Step 4: Simplify right side
    1,028,522.28x = 945,069,658,620.10
  5. Step 5: Solve for x
    x = 945,069,658,620.10/1,028,522.28
  6. Step 6: Final answer
    x = 918,861.63

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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.