Home / 1,195,787.34-1,649,253.42-766,107.72

Finding the Fourth Proportional to 1,195,787.34, 1,649,253.42 and 766,107.72

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Solution

The fourth proportional to 1,195,787.34, 1,649,253.42 and 766,107.72 is: 1,056,630.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,787.34 : 1,649,253.42 = 766,107.72 : x
  2. Step 2: Convert to fraction form
    1,195,787.34/1,649,253.42 = 766,107.72/x
  3. Step 3: Cross multiply
    1,195,787.34x = 1,649,253.42 × 766,107.72
  4. Step 4: Simplify right side
    1,195,787.34x = 1,263,505,777,298.40
  5. Step 5: Solve for x
    x = 1,263,505,777,298.40/1,195,787.34
  6. Step 6: Final answer
    x = 1,056,630.84

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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.