Home / 851,279.80-1,276,919.70-746,303.80

Finding the Fourth Proportional to 851,279.80, 1,276,919.70 and 746,303.80

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Solution

The fourth proportional to 851,279.80, 1,276,919.70 and 746,303.80 is: 1,119,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,279.80 : 1,276,919.70 = 746,303.80 : x
  2. Step 2: Convert to fraction form
    851,279.80/1,276,919.70 = 746,303.80/x
  3. Step 3: Cross multiply
    851,279.80x = 1,276,919.70 × 746,303.80
  4. Step 4: Simplify right side
    851,279.80x = 952,970,024,404.86
  5. Step 5: Solve for x
    x = 952,970,024,404.86/851,279.80
  6. Step 6: Final answer
    x = 1,119,455.70

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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.