Home / 876,863.60-1,315,295.40-850,619.60

Finding the Fourth Proportional to 876,863.60, 1,315,295.40 and 850,619.60

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Solution

The fourth proportional to 876,863.60, 1,315,295.40 and 850,619.60 is: 1,275,929.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,863.60 : 1,315,295.40 = 850,619.60 : x
  2. Step 2: Convert to fraction form
    876,863.60/1,315,295.40 = 850,619.60/x
  3. Step 3: Cross multiply
    876,863.60x = 1,315,295.40 × 850,619.60
  4. Step 4: Simplify right side
    876,863.60x = 1,118,816,047,029.84
  5. Step 5: Solve for x
    x = 1,118,816,047,029.84/876,863.60
  6. Step 6: Final answer
    x = 1,275,929.40

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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.