Home / 1,239,358.32-1,858,775.04-397,713.24

Finding the Fourth Proportional to 1,239,358.32, 1,858,775.04 and 397,713.24

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Solution

The fourth proportional to 1,239,358.32, 1,858,775.04 and 397,713.24 is: 596,485.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,358.32 : 1,858,775.04 = 397,713.24 : x
  2. Step 2: Convert to fraction form
    1,239,358.32/1,858,775.04 = 397,713.24/x
  3. Step 3: Cross multiply
    1,239,358.32x = 1,858,775.04 × 397,713.24
  4. Step 4: Simplify right side
    1,239,358.32x = 739,259,443,589.53
  5. Step 5: Solve for x
    x = 739,259,443,589.53/1,239,358.32
  6. Step 6: Final answer
    x = 596,485.64

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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.