Home / 1,210,080.60-1,815,120.90-1,015,218.90

Finding the Fourth Proportional to 1,210,080.60, 1,815,120.90 and 1,015,218.90

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Solution

The fourth proportional to 1,210,080.60, 1,815,120.90 and 1,015,218.90 is: 1,522,828.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,080.60 : 1,815,120.90 = 1,015,218.90 : x
  2. Step 2: Convert to fraction form
    1,210,080.60/1,815,120.90 = 1,015,218.90/x
  3. Step 3: Cross multiply
    1,210,080.60x = 1,815,120.90 × 1,015,218.90
  4. Step 4: Simplify right side
    1,210,080.60x = 1,842,745,043,465.01
  5. Step 5: Solve for x
    x = 1,842,745,043,465.01/1,210,080.60
  6. Step 6: Final answer
    x = 1,522,828.35

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Similar ratio
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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.