Home / 1,264,359.16-1,744,760.10-720,612.64

Finding the Fourth Proportional to 1,264,359.16, 1,744,760.10 and 720,612.64

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Solution

The fourth proportional to 1,264,359.16, 1,744,760.10 and 720,612.64 is: 994,413.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,359.16 : 1,744,760.10 = 720,612.64 : x
  2. Step 2: Convert to fraction form
    1,264,359.16/1,744,760.10 = 720,612.64/x
  3. Step 3: Cross multiply
    1,264,359.16x = 1,744,760.10 × 720,612.64
  4. Step 4: Simplify right side
    1,264,359.16x = 1,257,296,181,827.66
  5. Step 5: Solve for x
    x = 1,257,296,181,827.66/1,264,359.16
  6. Step 6: Final answer
    x = 994,413.79

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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.