Home / 1,999,475.60-2,996,880.60-800,805.20

Finding the Fourth Proportional to 1,999,475.60, 2,996,880.60 and 800,805.20

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Solution

The fourth proportional to 1,999,475.60, 2,996,880.60 and 800,805.20 is: 1,200,273.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,475.60 : 2,996,880.60 = 800,805.20 : x
  2. Step 2: Convert to fraction form
    1,999,475.60/2,996,880.60 = 800,805.20/x
  3. Step 3: Cross multiply
    1,999,475.60x = 2,996,880.60 × 800,805.20
  4. Step 4: Simplify right side
    1,999,475.60x = 2,399,917,568,259.12
  5. Step 5: Solve for x
    x = 2,399,917,568,259.12/1,999,475.60
  6. Step 6: Final answer
    x = 1,200,273.50

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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.