Home / 1,347,203.91-1,858,863.86-774,133.36

Finding the Fourth Proportional to 1,347,203.91, 1,858,863.86 and 774,133.36

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Solution

The fourth proportional to 1,347,203.91, 1,858,863.86 and 774,133.36 is: 1,068,144.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,203.91 : 1,858,863.86 = 774,133.36 : x
  2. Step 2: Convert to fraction form
    1,347,203.91/1,858,863.86 = 774,133.36/x
  3. Step 3: Cross multiply
    1,347,203.91x = 1,858,863.86 × 774,133.36
  4. Step 4: Simplify right side
    1,347,203.91x = 1,439,008,532,742.90
  5. Step 5: Solve for x
    x = 1,439,008,532,742.90/1,347,203.91
  6. Step 6: Final answer
    x = 1,068,144.57

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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.