Home / 864,876.42-1,192,872.69-744,219.90

Finding the Fourth Proportional to 864,876.42, 1,192,872.69 and 744,219.90

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Solution

The fourth proportional to 864,876.42, 1,192,872.69 and 744,219.90 is: 1,026,458.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,876.42 : 1,192,872.69 = 744,219.90 : x
  2. Step 2: Convert to fraction form
    864,876.42/1,192,872.69 = 744,219.90/x
  3. Step 3: Cross multiply
    864,876.42x = 1,192,872.69 × 744,219.90
  4. Step 4: Simplify right side
    864,876.42x = 887,759,594,064.53
  5. Step 5: Solve for x
    x = 887,759,594,064.53/864,876.42
  6. Step 6: Final answer
    x = 1,026,458.32

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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.