Home / 1,166,345.87-1,749,256.38-418,391.87

Finding the Fourth Proportional to 1,166,345.87, 1,749,256.38 and 418,391.87

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Solution

The fourth proportional to 1,166,345.87, 1,749,256.38 and 418,391.87 is: 627,493.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,345.87 : 1,749,256.38 = 418,391.87 : x
  2. Step 2: Convert to fraction form
    1,166,345.87/1,749,256.38 = 418,391.87/x
  3. Step 3: Cross multiply
    1,166,345.87x = 1,749,256.38 × 418,391.87
  4. Step 4: Simplify right side
    1,166,345.87x = 731,874,639,191.35
  5. Step 5: Solve for x
    x = 731,874,639,191.35/1,166,345.87
  6. Step 6: Final answer
    x = 627,493.66

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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.