Home / 1,091,221.43-1,505,364.02-847,838.39

Finding the Fourth Proportional to 1,091,221.43, 1,505,364.02 and 847,838.39

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Solution

The fourth proportional to 1,091,221.43, 1,505,364.02 and 847,838.39 is: 1,169,611.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,221.43 : 1,505,364.02 = 847,838.39 : x
  2. Step 2: Convert to fraction form
    1,091,221.43/1,505,364.02 = 847,838.39/x
  3. Step 3: Cross multiply
    1,091,221.43x = 1,505,364.02 × 847,838.39
  4. Step 4: Simplify right side
    1,091,221.43x = 1,276,305,398,494.11
  5. Step 5: Solve for x
    x = 1,276,305,398,494.11/1,091,221.43
  6. Step 6: Final answer
    x = 1,169,611.75

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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.