Home / 1,346,115.15-2,019,172.73-1,228,017.15

Finding the Fourth Proportional to 1,346,115.15, 2,019,172.73 and 1,228,017.15

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Solution

The fourth proportional to 1,346,115.15, 2,019,172.73 and 1,228,017.15 is: 1,842,025.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,115.15 : 2,019,172.73 = 1,228,017.15 : x
  2. Step 2: Convert to fraction form
    1,346,115.15/2,019,172.73 = 1,228,017.15/x
  3. Step 3: Cross multiply
    1,346,115.15x = 2,019,172.73 × 1,228,017.15
  4. Step 4: Simplify right side
    1,346,115.15x = 2,479,578,735,112.23
  5. Step 5: Solve for x
    x = 2,479,578,735,112.23/1,346,115.15
  6. Step 6: Final answer
    x = 1,842,025.73

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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.