Home / 1,424,446.38-1,965,737.97-779,871.06

Finding the Fourth Proportional to 1,424,446.38, 1,965,737.97 and 779,871.06

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Solution

The fourth proportional to 1,424,446.38, 1,965,737.97 and 779,871.06 is: 1,076,223.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,446.38 : 1,965,737.97 = 779,871.06 : x
  2. Step 2: Convert to fraction form
    1,424,446.38/1,965,737.97 = 779,871.06/x
  3. Step 3: Cross multiply
    1,424,446.38x = 1,965,737.97 × 779,871.06
  4. Step 4: Simplify right side
    1,424,446.38x = 1,533,022,154,346.15
  5. Step 5: Solve for x
    x = 1,533,022,154,346.15/1,424,446.38
  6. Step 6: Final answer
    x = 1,076,223.14

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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.