Home / 1,809,724.80-2,712,254.40-1,098,998.40

Finding the Fourth Proportional to 1,809,724.80, 2,712,254.40 and 1,098,998.40

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Solution

The fourth proportional to 1,809,724.80, 2,712,254.40 and 1,098,998.40 is: 1,647,080.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,724.80 : 2,712,254.40 = 1,098,998.40 : x
  2. Step 2: Convert to fraction form
    1,809,724.80/2,712,254.40 = 1,098,998.40/x
  3. Step 3: Cross multiply
    1,809,724.80x = 2,712,254.40 × 1,098,998.40
  4. Step 4: Simplify right side
    1,809,724.80x = 2,980,763,245,992.96
  5. Step 5: Solve for x
    x = 2,980,763,245,992.96/1,809,724.80
  6. Step 6: Final answer
    x = 1,647,080.95

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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.