Home / 1,407,054.72-2,110,552.86-342,102.36

Finding the Fourth Proportional to 1,407,054.72, 2,110,552.86 and 342,102.36

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Solution

The fourth proportional to 1,407,054.72, 2,110,552.86 and 342,102.36 is: 513,146.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,054.72 : 2,110,552.86 = 342,102.36 : x
  2. Step 2: Convert to fraction form
    1,407,054.72/2,110,552.86 = 342,102.36/x
  3. Step 3: Cross multiply
    1,407,054.72x = 2,110,552.86 × 342,102.36
  4. Step 4: Simplify right side
    1,407,054.72x = 722,025,114,310.75
  5. Step 5: Solve for x
    x = 722,025,114,310.75/1,407,054.72
  6. Step 6: Final answer
    x = 513,146.44

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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.