Home / 1,301,318.46-1,795,857.48-728,343.90

Finding the Fourth Proportional to 1,301,318.46, 1,795,857.48 and 728,343.90

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Solution

The fourth proportional to 1,301,318.46, 1,795,857.48 and 728,343.90 is: 1,005,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,318.46 : 1,795,857.48 = 728,343.90 : x
  2. Step 2: Convert to fraction form
    1,301,318.46/1,795,857.48 = 728,343.90/x
  3. Step 3: Cross multiply
    1,301,318.46x = 1,795,857.48 × 728,343.90
  4. Step 4: Simplify right side
    1,301,318.46x = 1,308,001,840,827.37
  5. Step 5: Solve for x
    x = 1,308,001,840,827.37/1,301,318.46
  6. Step 6: Final answer
    x = 1,005,135.85

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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.