Home / 1,478,963.51-2,212,608.25-1,120,168.14

Finding the Fourth Proportional to 1,478,963.51, 2,212,608.25 and 1,120,168.14

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Solution

The fourth proportional to 1,478,963.51, 2,212,608.25 and 1,120,168.14 is: 1,675,831.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,963.51 : 2,212,608.25 = 1,120,168.14 : x
  2. Step 2: Convert to fraction form
    1,478,963.51/2,212,608.25 = 1,120,168.14/x
  3. Step 3: Cross multiply
    1,478,963.51x = 2,212,608.25 × 1,120,168.14
  4. Step 4: Simplify right side
    1,478,963.51x = 2,478,493,261,054.08
  5. Step 5: Solve for x
    x = 2,478,493,261,054.08/1,478,963.51
  6. Step 6: Final answer
    x = 1,675,831.25

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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.