Home / 1,239,362.77-1,858,650.48-397,717.69

Finding the Fourth Proportional to 1,239,362.77, 1,858,650.48 and 397,717.69

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Solution

The fourth proportional to 1,239,362.77, 1,858,650.48 and 397,717.69 is: 596,450.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,362.77 : 1,858,650.48 = 397,717.69 : x
  2. Step 2: Convert to fraction form
    1,239,362.77/1,858,650.48 = 397,717.69/x
  3. Step 3: Cross multiply
    1,239,362.77x = 1,858,650.48 × 397,717.69
  4. Step 4: Simplify right side
    1,239,362.77x = 739,218,175,422.99
  5. Step 5: Solve for x
    x = 739,218,175,422.99/1,239,362.77
  6. Step 6: Final answer
    x = 596,450.20

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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.