Home / 1,267,945.27-1,900,789.06-458,149.08

Finding the Fourth Proportional to 1,267,945.27, 1,900,789.06 and 458,149.08

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Solution

The fourth proportional to 1,267,945.27, 1,900,789.06 and 458,149.08 is: 686,815.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,945.27 : 1,900,789.06 = 458,149.08 : x
  2. Step 2: Convert to fraction form
    1,267,945.27/1,900,789.06 = 458,149.08/x
  3. Step 3: Cross multiply
    1,267,945.27x = 1,900,789.06 × 458,149.08
  4. Step 4: Simplify right side
    1,267,945.27x = 870,844,759,113.07
  5. Step 5: Solve for x
    x = 870,844,759,113.07/1,267,945.27
  6. Step 6: Final answer
    x = 686,815.73

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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.