Home / 1,226,079.52-1,691,736.16-716,683.36

Finding the Fourth Proportional to 1,226,079.52, 1,691,736.16 and 716,683.36

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Solution

The fourth proportional to 1,226,079.52, 1,691,736.16 and 716,683.36 is: 988,874.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,079.52 : 1,691,736.16 = 716,683.36 : x
  2. Step 2: Convert to fraction form
    1,226,079.52/1,691,736.16 = 716,683.36/x
  3. Step 3: Cross multiply
    1,226,079.52x = 1,691,736.16 × 716,683.36
  4. Step 4: Simplify right side
    1,226,079.52x = 1,212,439,155,382.30
  5. Step 5: Solve for x
    x = 1,212,439,155,382.30/1,226,079.52
  6. Step 6: Final answer
    x = 988,874.81

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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.