Home / 1,205,804.88-1,807,331.45-485,685.68

Finding the Fourth Proportional to 1,205,804.88, 1,807,331.45 and 485,685.68

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Solution

The fourth proportional to 1,205,804.88, 1,807,331.45 and 485,685.68 is: 727,974.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,804.88 : 1,807,331.45 = 485,685.68 : x
  2. Step 2: Convert to fraction form
    1,205,804.88/1,807,331.45 = 485,685.68/x
  3. Step 3: Cross multiply
    1,205,804.88x = 1,807,331.45 × 485,685.68
  4. Step 4: Simplify right side
    1,205,804.88x = 877,794,992,813.55
  5. Step 5: Solve for x
    x = 877,794,992,813.55/1,205,804.88
  6. Step 6: Final answer
    x = 727,974.32

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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.