Home / 1,333,408.02-1,840,107.92-721,560.72

Finding the Fourth Proportional to 1,333,408.02, 1,840,107.92 and 721,560.72

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Solution

The fourth proportional to 1,333,408.02, 1,840,107.92 and 721,560.72 is: 995,756.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,408.02 : 1,840,107.92 = 721,560.72 : x
  2. Step 2: Convert to fraction form
    1,333,408.02/1,840,107.92 = 721,560.72/x
  3. Step 3: Cross multiply
    1,333,408.02x = 1,840,107.92 × 721,560.72
  4. Step 4: Simplify right side
    1,333,408.02x = 1,327,749,585,428.98
  5. Step 5: Solve for x
    x = 1,327,749,585,428.98/1,333,408.02
  6. Step 6: Final answer
    x = 995,756.41

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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.