Home / 1,377,003.66-2,065,855.86-808,865.25

Finding the Fourth Proportional to 1,377,003.66, 2,065,855.86 and 808,865.25

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Solution

The fourth proportional to 1,377,003.66, 2,065,855.86 and 808,865.25 is: 1,213,503.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,003.66 : 2,065,855.86 = 808,865.25 : x
  2. Step 2: Convert to fraction form
    1,377,003.66/2,065,855.86 = 808,865.25/x
  3. Step 3: Cross multiply
    1,377,003.66x = 2,065,855.86 × 808,865.25
  4. Step 4: Simplify right side
    1,377,003.66x = 1,670,999,016,662.87
  5. Step 5: Solve for x
    x = 1,670,999,016,662.87/1,377,003.66
  6. Step 6: Final answer
    x = 1,213,503.69

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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.