Home / 1,450,391.56-2,174,972.20-691,354.96

Finding the Fourth Proportional to 1,450,391.56, 2,174,972.20 and 691,354.96

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Solution

The fourth proportional to 1,450,391.56, 2,174,972.20 and 691,354.96 is: 1,036,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,391.56 : 2,174,972.20 = 691,354.96 : x
  2. Step 2: Convert to fraction form
    1,450,391.56/2,174,972.20 = 691,354.96/x
  3. Step 3: Cross multiply
    1,450,391.56x = 2,174,972.20 × 691,354.96
  4. Step 4: Simplify right side
    1,450,391.56x = 1,503,677,818,332.11
  5. Step 5: Solve for x
    x = 1,503,677,818,332.11/1,450,391.56
  6. Step 6: Final answer
    x = 1,036,739.22

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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.