Home / 1,428,618.82-2,142,940.25-363,661.06

Finding the Fourth Proportional to 1,428,618.82, 2,142,940.25 and 363,661.06

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Solution

The fourth proportional to 1,428,618.82, 2,142,940.25 and 363,661.06 is: 545,494.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,618.82 : 2,142,940.25 = 363,661.06 : x
  2. Step 2: Convert to fraction form
    1,428,618.82/2,142,940.25 = 363,661.06/x
  3. Step 3: Cross multiply
    1,428,618.82x = 2,142,940.25 × 363,661.06
  4. Step 4: Simplify right side
    1,428,618.82x = 779,303,922,831.67
  5. Step 5: Solve for x
    x = 779,303,922,831.67/1,428,618.82
  6. Step 6: Final answer
    x = 545,494.65

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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.