Home / 1,071,831.31-1,606,523.91-431,725.33

Finding the Fourth Proportional to 1,071,831.31, 1,606,523.91 and 431,725.33

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Solution

The fourth proportional to 1,071,831.31, 1,606,523.91 and 431,725.33 is: 647,095.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,831.31 : 1,606,523.91 = 431,725.33 : x
  2. Step 2: Convert to fraction form
    1,071,831.31/1,606,523.91 = 431,725.33/x
  3. Step 3: Cross multiply
    1,071,831.31x = 1,606,523.91 × 431,725.33
  4. Step 4: Simplify right side
    1,071,831.31x = 693,577,065,197.64
  5. Step 5: Solve for x
    x = 693,577,065,197.64/1,071,831.31
  6. Step 6: Final answer
    x = 647,095.36

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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.