Home / 1,347,605.80-2,021,408.70-1,329,891.10

Finding the Fourth Proportional to 1,347,605.80, 2,021,408.70 and 1,329,891.10

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Solution

The fourth proportional to 1,347,605.80, 2,021,408.70 and 1,329,891.10 is: 1,994,836.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,605.80 : 2,021,408.70 = 1,329,891.10 : x
  2. Step 2: Convert to fraction form
    1,347,605.80/2,021,408.70 = 1,329,891.10/x
  3. Step 3: Cross multiply
    1,347,605.80x = 2,021,408.70 × 1,329,891.10
  4. Step 4: Simplify right side
    1,347,605.80x = 2,688,253,439,592.57
  5. Step 5: Solve for x
    x = 2,688,253,439,592.57/1,347,605.80
  6. Step 6: Final answer
    x = 1,994,836.65

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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.