Home / 1,318,324.12-1,819,336.27-745,330.12

Finding the Fourth Proportional to 1,318,324.12, 1,819,336.27 and 745,330.12

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Solution

The fourth proportional to 1,318,324.12, 1,819,336.27 and 745,330.12 is: 1,028,583.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,324.12 : 1,819,336.27 = 745,330.12 : x
  2. Step 2: Convert to fraction form
    1,318,324.12/1,819,336.27 = 745,330.12/x
  3. Step 3: Cross multiply
    1,318,324.12x = 1,819,336.27 × 745,330.12
  4. Step 4: Simplify right side
    1,318,324.12x = 1,356,006,120,439.45
  5. Step 5: Solve for x
    x = 1,356,006,120,439.45/1,318,324.12
  6. Step 6: Final answer
    x = 1,028,583.26

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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.