Home / 790,787.10-1,186,180.65-752,079.90

Finding the Fourth Proportional to 790,787.10, 1,186,180.65 and 752,079.90

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Solution

The fourth proportional to 790,787.10, 1,186,180.65 and 752,079.90 is: 1,128,119.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,787.10 : 1,186,180.65 = 752,079.90 : x
  2. Step 2: Convert to fraction form
    790,787.10/1,186,180.65 = 752,079.90/x
  3. Step 3: Cross multiply
    790,787.10x = 1,186,180.65 × 752,079.90
  4. Step 4: Simplify right side
    790,787.10x = 892,102,624,633.94
  5. Step 5: Solve for x
    x = 892,102,624,633.94/790,787.10
  6. Step 6: Final answer
    x = 1,128,119.85

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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.