Home / 1,205,464.40-1,807,539.60-363,906.80

Finding the Fourth Proportional to 1,205,464.40, 1,807,539.60 and 363,906.80

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Solution

The fourth proportional to 1,205,464.40, 1,807,539.60 and 363,906.80 is: 545,661.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,464.40 : 1,807,539.60 = 363,906.80 : x
  2. Step 2: Convert to fraction form
    1,205,464.40/1,807,539.60 = 363,906.80/x
  3. Step 3: Cross multiply
    1,205,464.40x = 1,807,539.60 × 363,906.80
  4. Step 4: Simplify right side
    1,205,464.40x = 657,775,951,709.28
  5. Step 5: Solve for x
    x = 657,775,951,709.28/1,205,464.40
  6. Step 6: Final answer
    x = 545,661.86

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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.