Home / 1,318,357.20-1,977,634.83-560,113.38

Finding the Fourth Proportional to 1,318,357.20, 1,977,634.83 and 560,113.38

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Solution

The fourth proportional to 1,318,357.20, 1,977,634.83 and 560,113.38 is: 840,212.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,357.20 : 1,977,634.83 = 560,113.38 : x
  2. Step 2: Convert to fraction form
    1,318,357.20/1,977,634.83 = 560,113.38/x
  3. Step 3: Cross multiply
    1,318,357.20x = 1,977,634.83 × 560,113.38
  4. Step 4: Simplify right side
    1,318,357.20x = 1,107,699,729,037.03
  5. Step 5: Solve for x
    x = 1,107,699,729,037.03/1,318,357.20
  6. Step 6: Final answer
    x = 840,212.14

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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.