Home / 1,231,672.38-1,847,486.66-390,202.26

Finding the Fourth Proportional to 1,231,672.38, 1,847,486.66 and 390,202.26

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Solution

The fourth proportional to 1,231,672.38, 1,847,486.66 and 390,202.26 is: 585,296.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,672.38 : 1,847,486.66 = 390,202.26 : x
  2. Step 2: Convert to fraction form
    1,231,672.38/1,847,486.66 = 390,202.26/x
  3. Step 3: Cross multiply
    1,231,672.38x = 1,847,486.66 × 390,202.26
  4. Step 4: Simplify right side
    1,231,672.38x = 720,893,470,051.85
  5. Step 5: Solve for x
    x = 720,893,470,051.85/1,231,672.38
  6. Step 6: Final answer
    x = 585,296.45

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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.