Home / 1,551,859.72-2,142,550.20-1,062,647.80

Finding the Fourth Proportional to 1,551,859.72, 2,142,550.20 and 1,062,647.80

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Solution

The fourth proportional to 1,551,859.72, 2,142,550.20 and 1,062,647.80 is: 1,467,127.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,859.72 : 2,142,550.20 = 1,062,647.80 : x
  2. Step 2: Convert to fraction form
    1,551,859.72/2,142,550.20 = 1,062,647.80/x
  3. Step 3: Cross multiply
    1,551,859.72x = 2,142,550.20 × 1,062,647.80
  4. Step 4: Simplify right side
    1,551,859.72x = 2,276,776,256,419.56
  5. Step 5: Solve for x
    x = 2,276,776,256,419.56/1,551,859.72
  6. Step 6: Final answer
    x = 1,467,127.62

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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.