Home / 1,413,802.80-1,950,989.58-769,225.56

Finding the Fourth Proportional to 1,413,802.80, 1,950,989.58 and 769,225.56

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Solution

The fourth proportional to 1,413,802.80, 1,950,989.58 and 769,225.56 is: 1,061,499.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,802.80 : 1,950,989.58 = 769,225.56 : x
  2. Step 2: Convert to fraction form
    1,413,802.80/1,950,989.58 = 769,225.56/x
  3. Step 3: Cross multiply
    1,413,802.80x = 1,950,989.58 × 769,225.56
  4. Step 4: Simplify right side
    1,413,802.80x = 1,500,751,052,229.67
  5. Step 5: Solve for x
    x = 1,500,751,052,229.67/1,413,802.80
  6. Step 6: Final answer
    x = 1,061,499.56

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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.