Home / 851,007.60-1,276,511.40-798,519.60

Finding the Fourth Proportional to 851,007.60, 1,276,511.40 and 798,519.60

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Solution

The fourth proportional to 851,007.60, 1,276,511.40 and 798,519.60 is: 1,197,779.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,007.60 : 1,276,511.40 = 798,519.60 : x
  2. Step 2: Convert to fraction form
    851,007.60/1,276,511.40 = 798,519.60/x
  3. Step 3: Cross multiply
    851,007.60x = 1,276,511.40 × 798,519.60
  4. Step 4: Simplify right side
    851,007.60x = 1,019,319,372,523.44
  5. Step 5: Solve for x
    x = 1,019,319,372,523.44/851,007.60
  6. Step 6: Final answer
    x = 1,197,779.40

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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.