Home / 851,272.80-1,276,909.20-746,296.80

Finding the Fourth Proportional to 851,272.80, 1,276,909.20 and 746,296.80

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Solution

The fourth proportional to 851,272.80, 1,276,909.20 and 746,296.80 is: 1,119,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,272.80 : 1,276,909.20 = 746,296.80 : x
  2. Step 2: Convert to fraction form
    851,272.80/1,276,909.20 = 746,296.80/x
  3. Step 3: Cross multiply
    851,272.80x = 1,276,909.20 × 746,296.80
  4. Step 4: Simplify right side
    851,272.80x = 952,953,249,850.56
  5. Step 5: Solve for x
    x = 952,953,249,850.56/851,272.80
  6. Step 6: Final answer
    x = 1,119,445.20

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Similar ratio
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1.5x scale

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.