Home / 846,120.60-1,269,180.90-808,795.80

Finding the Fourth Proportional to 846,120.60, 1,269,180.90 and 808,795.80

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Solution

The fourth proportional to 846,120.60, 1,269,180.90 and 808,795.80 is: 1,213,193.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,120.60 : 1,269,180.90 = 808,795.80 : x
  2. Step 2: Convert to fraction form
    846,120.60/1,269,180.90 = 808,795.80/x
  3. Step 3: Cross multiply
    846,120.60x = 1,269,180.90 × 808,795.80
  4. Step 4: Simplify right side
    846,120.60x = 1,026,508,181,360.22
  5. Step 5: Solve for x
    x = 1,026,508,181,360.22/846,120.60
  6. Step 6: Final answer
    x = 1,213,193.70

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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.