Home / 1,424,039.30-1,965,098.16-779,334.80

Finding the Fourth Proportional to 1,424,039.30, 1,965,098.16 and 779,334.80

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Solution

The fourth proportional to 1,424,039.30, 1,965,098.16 and 779,334.80 is: 1,075,440.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,039.30 : 1,965,098.16 = 779,334.80 : x
  2. Step 2: Convert to fraction form
    1,424,039.30/1,965,098.16 = 779,334.80/x
  3. Step 3: Cross multiply
    1,424,039.30x = 1,965,098.16 × 779,334.80
  4. Step 4: Simplify right side
    1,424,039.30x = 1,531,469,381,503.97
  5. Step 5: Solve for x
    x = 1,531,469,381,503.97/1,424,039.30
  6. Step 6: Final answer
    x = 1,075,440.39

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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.