Home / 910,940.40-1,363,300.20-836,290.80

Finding the Fourth Proportional to 910,940.40, 1,363,300.20 and 836,290.80

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Solution

The fourth proportional to 910,940.40, 1,363,300.20 and 836,290.80 is: 1,251,580.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,940.40 : 1,363,300.20 = 836,290.80 : x
  2. Step 2: Convert to fraction form
    910,940.40/1,363,300.20 = 836,290.80/x
  3. Step 3: Cross multiply
    910,940.40x = 1,363,300.20 × 836,290.80
  4. Step 4: Simplify right side
    910,940.40x = 1,140,115,414,898.16
  5. Step 5: Solve for x
    x = 1,140,115,414,898.16/910,940.40
  6. Step 6: Final answer
    x = 1,251,580.69

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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.