Home / 846,109.60-1,269,164.40-808,784.80

Finding the Fourth Proportional to 846,109.60, 1,269,164.40 and 808,784.80

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Solution

The fourth proportional to 846,109.60, 1,269,164.40 and 808,784.80 is: 1,213,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,109.60 : 1,269,164.40 = 808,784.80 : x
  2. Step 2: Convert to fraction form
    846,109.60/1,269,164.40 = 808,784.80/x
  3. Step 3: Cross multiply
    846,109.60x = 1,269,164.40 × 808,784.80
  4. Step 4: Simplify right side
    846,109.60x = 1,026,480,875,421.12
  5. Step 5: Solve for x
    x = 1,026,480,875,421.12/846,109.60
  6. Step 6: Final answer
    x = 1,213,177.20

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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.