Home / 994,490.70-1,491,736.05-859,188.30

Finding the Fourth Proportional to 994,490.70, 1,491,736.05 and 859,188.30

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Solution

The fourth proportional to 994,490.70, 1,491,736.05 and 859,188.30 is: 1,288,782.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,490.70 : 1,491,736.05 = 859,188.30 : x
  2. Step 2: Convert to fraction form
    994,490.70/1,491,736.05 = 859,188.30/x
  3. Step 3: Cross multiply
    994,490.70x = 1,491,736.05 × 859,188.30
  4. Step 4: Simplify right side
    994,490.70x = 1,281,682,160,848.22
  5. Step 5: Solve for x
    x = 1,281,682,160,848.22/994,490.70
  6. Step 6: Final answer
    x = 1,288,782.45

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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.