Home / 1,455,252.70-2,008,396.47-810,777.82

Finding the Fourth Proportional to 1,455,252.70, 2,008,396.47 and 810,777.82

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Solution

The fourth proportional to 1,455,252.70, 2,008,396.47 and 810,777.82 is: 1,118,955.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,252.70 : 2,008,396.47 = 810,777.82 : x
  2. Step 2: Convert to fraction form
    1,455,252.70/2,008,396.47 = 810,777.82/x
  3. Step 3: Cross multiply
    1,455,252.70x = 2,008,396.47 × 810,777.82
  4. Step 4: Simplify right side
    1,455,252.70x = 1,628,363,311,642.30
  5. Step 5: Solve for x
    x = 1,628,363,311,642.30/1,455,252.70
  6. Step 6: Final answer
    x = 1,118,955.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.