Home / 1,679,490.83-2,519,238.07-417,318.46

Finding the Fourth Proportional to 1,679,490.83, 2,519,238.07 and 417,318.46

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Solution

The fourth proportional to 1,679,490.83, 2,519,238.07 and 417,318.46 is: 625,978.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,490.83 : 2,519,238.07 = 417,318.46 : x
  2. Step 2: Convert to fraction form
    1,679,490.83/2,519,238.07 = 417,318.46/x
  3. Step 3: Cross multiply
    1,679,490.83x = 2,519,238.07 × 417,318.46
  4. Step 4: Simplify right side
    1,679,490.83x = 1,051,324,551,745.77
  5. Step 5: Solve for x
    x = 1,051,324,551,745.77/1,679,490.83
  6. Step 6: Final answer
    x = 625,978.14

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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.