Home / 1,330,755.58-1,996,483.49-691,101.82

Finding the Fourth Proportional to 1,330,755.58, 1,996,483.49 and 691,101.82

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Solution

The fourth proportional to 1,330,755.58, 1,996,483.49 and 691,101.82 is: 1,036,834.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,755.58 : 1,996,483.49 = 691,101.82 : x
  2. Step 2: Convert to fraction form
    1,330,755.58/1,996,483.49 = 691,101.82/x
  3. Step 3: Cross multiply
    1,330,755.58x = 1,996,483.49 × 691,101.82
  4. Step 4: Simplify right side
    1,330,755.58x = 1,379,773,360,101.03
  5. Step 5: Solve for x
    x = 1,379,773,360,101.03/1,330,755.58
  6. Step 6: Final answer
    x = 1,036,834.55

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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.