Home / 1,457,086.88-2,009,972.67-1,022,151.78

Finding the Fourth Proportional to 1,457,086.88, 2,009,972.67 and 1,022,151.78

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Solution

The fourth proportional to 1,457,086.88, 2,009,972.67 and 1,022,151.78 is: 1,410,003.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,086.88 : 2,009,972.67 = 1,022,151.78 : x
  2. Step 2: Convert to fraction form
    1,457,086.88/2,009,972.67 = 1,022,151.78/x
  3. Step 3: Cross multiply
    1,457,086.88x = 2,009,972.67 × 1,022,151.78
  4. Step 4: Simplify right side
    1,457,086.88x = 2,054,497,137,962.85
  5. Step 5: Solve for x
    x = 2,054,497,137,962.85/1,457,086.88
  6. Step 6: Final answer
    x = 1,410,003.19

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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.