Home / 876,874.40-1,315,311.60-798,077.60

Finding the Fourth Proportional to 876,874.40, 1,315,311.60 and 798,077.60

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Solution

The fourth proportional to 876,874.40, 1,315,311.60 and 798,077.60 is: 1,197,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,874.40 : 1,315,311.60 = 798,077.60 : x
  2. Step 2: Convert to fraction form
    876,874.40/1,315,311.60 = 798,077.60/x
  3. Step 3: Cross multiply
    876,874.40x = 1,315,311.60 × 798,077.60
  4. Step 4: Simplify right side
    876,874.40x = 1,049,720,724,980.16
  5. Step 5: Solve for x
    x = 1,049,720,724,980.16/876,874.40
  6. Step 6: Final answer
    x = 1,197,116.40

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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.