Home / 984,190.20-1,476,285.30-859,774.20

Finding the Fourth Proportional to 984,190.20, 1,476,285.30 and 859,774.20

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Solution

The fourth proportional to 984,190.20, 1,476,285.30 and 859,774.20 is: 1,289,661.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,190.20 : 1,476,285.30 = 859,774.20 : x
  2. Step 2: Convert to fraction form
    984,190.20/1,476,285.30 = 859,774.20/x
  3. Step 3: Cross multiply
    984,190.20x = 1,476,285.30 × 859,774.20
  4. Step 4: Simplify right side
    984,190.20x = 1,269,272,012,779.26
  5. Step 5: Solve for x
    x = 1,269,272,012,779.26/984,190.20
  6. Step 6: Final answer
    x = 1,289,661.30

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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.