Home / 1,424,428.41-1,965,716.94-779,908.56

Finding the Fourth Proportional to 1,424,428.41, 1,965,716.94 and 779,908.56

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Solution

The fourth proportional to 1,424,428.41, 1,965,716.94 and 779,908.56 is: 1,076,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,428.41 : 1,965,716.94 = 779,908.56 : x
  2. Step 2: Convert to fraction form
    1,424,428.41/1,965,716.94 = 779,908.56/x
  3. Step 3: Cross multiply
    1,424,428.41x = 1,965,716.94 × 779,908.56
  4. Step 4: Simplify right side
    1,424,428.41x = 1,533,079,468,043.01
  5. Step 5: Solve for x
    x = 1,533,079,468,043.01/1,424,428.41
  6. Step 6: Final answer
    x = 1,076,276.95

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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.