Home / 1,219,990.25-1,830,107.02-451,693.05

Finding the Fourth Proportional to 1,219,990.25, 1,830,107.02 and 451,693.05

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Solution

The fourth proportional to 1,219,990.25, 1,830,107.02 and 451,693.05 is: 677,584.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,990.25 : 1,830,107.02 = 451,693.05 : x
  2. Step 2: Convert to fraction form
    1,219,990.25/1,830,107.02 = 451,693.05/x
  3. Step 3: Cross multiply
    1,219,990.25x = 1,830,107.02 × 451,693.05
  4. Step 4: Simplify right side
    1,219,990.25x = 826,646,621,690.21
  5. Step 5: Solve for x
    x = 826,646,621,690.21/1,219,990.25
  6. Step 6: Final answer
    x = 677,584.61

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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.