Home / 1,062,906.72-1,467,220.80-778,684.32

Finding the Fourth Proportional to 1,062,906.72, 1,467,220.80 and 778,684.32

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Solution

The fourth proportional to 1,062,906.72, 1,467,220.80 and 778,684.32 is: 1,074,884.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,906.72 : 1,467,220.80 = 778,684.32 : x
  2. Step 2: Convert to fraction form
    1,062,906.72/1,467,220.80 = 778,684.32/x
  3. Step 3: Cross multiply
    1,062,906.72x = 1,467,220.80 × 778,684.32
  4. Step 4: Simplify right side
    1,062,906.72x = 1,142,501,830,937.86
  5. Step 5: Solve for x
    x = 1,142,501,830,937.86/1,062,906.72
  6. Step 6: Final answer
    x = 1,074,884.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.