Home / 1,205,230.80-1,807,846.20-494,893.20

Finding the Fourth Proportional to 1,205,230.80, 1,807,846.20 and 494,893.20

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Solution

The fourth proportional to 1,205,230.80, 1,807,846.20 and 494,893.20 is: 742,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,230.80 : 1,807,846.20 = 494,893.20 : x
  2. Step 2: Convert to fraction form
    1,205,230.80/1,807,846.20 = 494,893.20/x
  3. Step 3: Cross multiply
    1,205,230.80x = 1,807,846.20 × 494,893.20
  4. Step 4: Simplify right side
    1,205,230.80x = 894,690,791,025.84
  5. Step 5: Solve for x
    x = 894,690,791,025.84/1,205,230.80
  6. Step 6: Final answer
    x = 742,339.80

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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.