Home / 1,307,721.93-1,961,589.15-396,912.31

Finding the Fourth Proportional to 1,307,721.93, 1,961,589.15 and 396,912.31

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Solution

The fourth proportional to 1,307,721.93, 1,961,589.15 and 396,912.31 is: 595,370.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,721.93 : 1,961,589.15 = 396,912.31 : x
  2. Step 2: Convert to fraction form
    1,307,721.93/1,961,589.15 = 396,912.31/x
  3. Step 3: Cross multiply
    1,307,721.93x = 1,961,589.15 × 396,912.31
  4. Step 4: Simplify right side
    1,307,721.93x = 778,578,869,004.93
  5. Step 5: Solve for x
    x = 778,578,869,004.93/1,307,721.93
  6. Step 6: Final answer
    x = 595,370.36

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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.