Home / 1,022,664.81-1,533,997.17-312,692.79

Finding the Fourth Proportional to 1,022,664.81, 1,533,997.17 and 312,692.79

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Solution

The fourth proportional to 1,022,664.81, 1,533,997.17 and 312,692.79 is: 469,039.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,664.81 : 1,533,997.17 = 312,692.79 : x
  2. Step 2: Convert to fraction form
    1,022,664.81/1,533,997.17 = 312,692.79/x
  3. Step 3: Cross multiply
    1,022,664.81x = 1,533,997.17 × 312,692.79
  4. Step 4: Simplify right side
    1,022,664.81x = 479,669,854,939.40
  5. Step 5: Solve for x
    x = 479,669,854,939.40/1,022,664.81
  6. Step 6: Final answer
    x = 469,039.17

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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.