Home / 1,321,155.23-1,981,732.84-374,534.15

Finding the Fourth Proportional to 1,321,155.23, 1,981,732.84 and 374,534.15

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Solution

The fourth proportional to 1,321,155.23, 1,981,732.84 and 374,534.15 is: 561,801.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,155.23 : 1,981,732.84 = 374,534.15 : x
  2. Step 2: Convert to fraction form
    1,321,155.23/1,981,732.84 = 374,534.15/x
  3. Step 3: Cross multiply
    1,321,155.23x = 1,981,732.84 × 374,534.15
  4. Step 4: Simplify right side
    1,321,155.23x = 742,226,613,911.49
  5. Step 5: Solve for x
    x = 742,226,613,911.49/1,321,155.23
  6. Step 6: Final answer
    x = 561,801.22

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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.