Home / 1,307,289.07-1,961,046.57-360,659.78

Finding the Fourth Proportional to 1,307,289.07, 1,961,046.57 and 360,659.78

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Solution

The fourth proportional to 1,307,289.07, 1,961,046.57 and 360,659.78 is: 541,020.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,289.07 : 1,961,046.57 = 360,659.78 : x
  2. Step 2: Convert to fraction form
    1,307,289.07/1,961,046.57 = 360,659.78/x
  3. Step 3: Cross multiply
    1,307,289.07x = 1,961,046.57 × 360,659.78
  4. Step 4: Simplify right side
    1,307,289.07x = 707,270,622,702.66
  5. Step 5: Solve for x
    x = 707,270,622,702.66/1,307,289.07
  6. Step 6: Final answer
    x = 541,020.84

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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.