Home / 1,450,381.20-2,001,408.69-838,573.21

Finding the Fourth Proportional to 1,450,381.20, 2,001,408.69 and 838,573.21

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Solution

The fourth proportional to 1,450,381.20, 2,001,408.69 and 838,573.21 is: 1,157,163.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,381.20 : 2,001,408.69 = 838,573.21 : x
  2. Step 2: Convert to fraction form
    1,450,381.20/2,001,408.69 = 838,573.21/x
  3. Step 3: Cross multiply
    1,450,381.20x = 2,001,408.69 × 838,573.21
  4. Step 4: Simplify right side
    1,450,381.20x = 1,678,327,709,695.19
  5. Step 5: Solve for x
    x = 1,678,327,709,695.19/1,450,381.20
  6. Step 6: Final answer
    x = 1,157,163.17

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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.