Home / 1,440,232.25-2,161,704.31-730,769.45

Finding the Fourth Proportional to 1,440,232.25, 2,161,704.31 and 730,769.45

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Solution

The fourth proportional to 1,440,232.25, 2,161,704.31 and 730,769.45 is: 1,096,842.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,232.25 : 2,161,704.31 = 730,769.45 : x
  2. Step 2: Convert to fraction form
    1,440,232.25/2,161,704.31 = 730,769.45/x
  3. Step 3: Cross multiply
    1,440,232.25x = 2,161,704.31 × 730,769.45
  4. Step 4: Simplify right side
    1,440,232.25x = 1,579,707,457,045.88
  5. Step 5: Solve for x
    x = 1,579,707,457,045.88/1,440,232.25
  6. Step 6: Final answer
    x = 1,096,842.17

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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.