Home / 1,440,234.25-2,161,707.31-730,771.45

Finding the Fourth Proportional to 1,440,234.25, 2,161,707.31 and 730,771.45

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Solution

The fourth proportional to 1,440,234.25, 2,161,707.31 and 730,771.45 is: 1,096,845.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,234.25 : 2,161,707.31 = 730,771.45 : x
  2. Step 2: Convert to fraction form
    1,440,234.25/2,161,707.31 = 730,771.45/x
  3. Step 3: Cross multiply
    1,440,234.25x = 2,161,707.31 × 730,771.45
  4. Step 4: Simplify right side
    1,440,234.25x = 1,579,713,985,404.30
  5. Step 5: Solve for x
    x = 1,579,713,985,404.30/1,440,234.25
  6. Step 6: Final answer
    x = 1,096,845.17

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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.