Home / 828,646.85-1,236,896.93-767,787.42

Finding the Fourth Proportional to 828,646.85, 1,236,896.93 and 767,787.42

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Solution

The fourth proportional to 828,646.85, 1,236,896.93 and 767,787.42 is: 1,146,053.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,646.85 : 1,236,896.93 = 767,787.42 : x
  2. Step 2: Convert to fraction form
    828,646.85/1,236,896.93 = 767,787.42/x
  3. Step 3: Cross multiply
    828,646.85x = 1,236,896.93 × 767,787.42
  4. Step 4: Simplify right side
    828,646.85x = 949,673,898,851.68
  5. Step 5: Solve for x
    x = 949,673,898,851.68/828,646.85
  6. Step 6: Final answer
    x = 1,146,053.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.