Home / 855,080.27-1,282,620.40-694,962.90

Finding the Fourth Proportional to 855,080.27, 1,282,620.40 and 694,962.90

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Solution

The fourth proportional to 855,080.27, 1,282,620.40 and 694,962.90 is: 1,042,444.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,080.27 : 1,282,620.40 = 694,962.90 : x
  2. Step 2: Convert to fraction form
    855,080.27/1,282,620.40 = 694,962.90/x
  3. Step 3: Cross multiply
    855,080.27x = 1,282,620.40 × 694,962.90
  4. Step 4: Simplify right side
    855,080.27x = 891,373,597,152.08
  5. Step 5: Solve for x
    x = 891,373,597,152.08/855,080.27
  6. Step 6: Final answer
    x = 1,042,444.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.