Home / 1,025,745.39-1,538,831.93-315,738.27

Finding the Fourth Proportional to 1,025,745.39, 1,538,831.93 and 315,738.27

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Solution

The fourth proportional to 1,025,745.39, 1,538,831.93 and 315,738.27 is: 473,673.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,745.39 : 1,538,831.93 = 315,738.27 : x
  2. Step 2: Convert to fraction form
    1,025,745.39/1,538,831.93 = 315,738.27/x
  3. Step 3: Cross multiply
    1,025,745.39x = 1,538,831.93 × 315,738.27
  4. Step 4: Simplify right side
    1,025,745.39x = 485,868,129,820.27
  5. Step 5: Solve for x
    x = 485,868,129,820.27/1,025,745.39
  6. Step 6: Final answer
    x = 473,673.23

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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.