Home / 910,946.40-1,363,309.20-836,296.80

Finding the Fourth Proportional to 910,946.40, 1,363,309.20 and 836,296.80

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Solution

The fourth proportional to 910,946.40, 1,363,309.20 and 836,296.80 is: 1,251,589.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,946.40 : 1,363,309.20 = 836,296.80 : x
  2. Step 2: Convert to fraction form
    910,946.40/1,363,309.20 = 836,296.80/x
  3. Step 3: Cross multiply
    910,946.40x = 1,363,309.20 × 836,296.80
  4. Step 4: Simplify right side
    910,946.40x = 1,140,131,121,370.56
  5. Step 5: Solve for x
    x = 1,140,131,121,370.56/910,946.40
  6. Step 6: Final answer
    x = 1,251,589.69

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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.