Home / 1,321,215.60-1,981,434.60-374,669.04

Finding the Fourth Proportional to 1,321,215.60, 1,981,434.60 and 374,669.04

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Solution

The fourth proportional to 1,321,215.60, 1,981,434.60 and 374,669.04 is: 561,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,215.60 : 1,981,434.60 = 374,669.04 : x
  2. Step 2: Convert to fraction form
    1,321,215.60/1,981,434.60 = 374,669.04/x
  3. Step 3: Cross multiply
    1,321,215.60x = 1,981,434.60 × 374,669.04
  4. Step 4: Simplify right side
    1,321,215.60x = 742,382,199,404.78
  5. Step 5: Solve for x
    x = 742,382,199,404.78/1,321,215.60
  6. Step 6: Final answer
    x = 561,893.30

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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.