Home / 1,603,685.12-2,405,805.60-538,831.04

Finding the Fourth Proportional to 1,603,685.12, 2,405,805.60 and 538,831.04

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Solution

The fourth proportional to 1,603,685.12, 2,405,805.60 and 538,831.04 is: 808,339.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,685.12 : 2,405,805.60 = 538,831.04 : x
  2. Step 2: Convert to fraction form
    1,603,685.12/2,405,805.60 = 538,831.04/x
  3. Step 3: Cross multiply
    1,603,685.12x = 2,405,805.60 × 538,831.04
  4. Step 4: Simplify right side
    1,603,685.12x = 1,296,322,733,485.82
  5. Step 5: Solve for x
    x = 1,296,322,733,485.82/1,603,685.12
  6. Step 6: Final answer
    x = 808,339.94

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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.