Home / 1,205,481.40-1,807,565.10-363,923.80

Finding the Fourth Proportional to 1,205,481.40, 1,807,565.10 and 363,923.80

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Solution

The fourth proportional to 1,205,481.40, 1,807,565.10 and 363,923.80 is: 545,687.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,481.40 : 1,807,565.10 = 363,923.80 : x
  2. Step 2: Convert to fraction form
    1,205,481.40/1,807,565.10 = 363,923.80/x
  3. Step 3: Cross multiply
    1,205,481.40x = 1,807,565.10 × 363,923.80
  4. Step 4: Simplify right side
    1,205,481.40x = 657,815,959,939.38
  5. Step 5: Solve for x
    x = 657,815,959,939.38/1,205,481.40
  6. Step 6: Final answer
    x = 545,687.36

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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.