Home / 1,450,380.20-2,001,407.31-838,572.21

Finding the Fourth Proportional to 1,450,380.20, 2,001,407.31 and 838,572.21

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Solution

The fourth proportional to 1,450,380.20, 2,001,407.31 and 838,572.21 is: 1,157,161.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,380.20 : 2,001,407.31 = 838,572.21 : x
  2. Step 2: Convert to fraction form
    1,450,380.20/2,001,407.31 = 838,572.21/x
  3. Step 3: Cross multiply
    1,450,380.20x = 2,001,407.31 × 838,572.21
  4. Step 4: Simplify right side
    1,450,380.20x = 1,678,324,551,056.86
  5. Step 5: Solve for x
    x = 1,678,324,551,056.86/1,450,380.20
  6. Step 6: Final answer
    x = 1,157,161.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.