Home / 1,318,265.12-1,819,299.12-745,310.72

Finding the Fourth Proportional to 1,318,265.12, 1,819,299.12 and 745,310.72

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Solution

The fourth proportional to 1,318,265.12, 1,819,299.12 and 745,310.72 is: 1,028,581.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,265.12 : 1,819,299.12 = 745,310.72 : x
  2. Step 2: Convert to fraction form
    1,318,265.12/1,819,299.12 = 745,310.72/x
  3. Step 3: Cross multiply
    1,318,265.12x = 1,819,299.12 × 745,310.72
  4. Step 4: Simplify right side
    1,318,265.12x = 1,355,943,137,022.57
  5. Step 5: Solve for x
    x = 1,355,943,137,022.57/1,318,265.12
  6. Step 6: Final answer
    x = 1,028,581.52

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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.