Home / 1,239,361.77-1,858,648.98-397,716.69

Finding the Fourth Proportional to 1,239,361.77, 1,858,648.98 and 397,716.69

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Solution

The fourth proportional to 1,239,361.77, 1,858,648.98 and 397,716.69 is: 596,448.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,361.77 : 1,858,648.98 = 397,716.69 : x
  2. Step 2: Convert to fraction form
    1,239,361.77/1,858,648.98 = 397,716.69/x
  3. Step 3: Cross multiply
    1,239,361.77x = 1,858,648.98 × 397,716.69
  4. Step 4: Simplify right side
    1,239,361.77x = 739,215,720,197.48
  5. Step 5: Solve for x
    x = 739,215,720,197.48/1,239,361.77
  6. Step 6: Final answer
    x = 596,448.70

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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.