Home / 1,320,014.60-1,976,672.66-1,106,220.30

Finding the Fourth Proportional to 1,320,014.60, 1,976,672.66 and 1,106,220.30

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Solution

The fourth proportional to 1,320,014.60, 1,976,672.66 and 1,106,220.30 is: 1,656,523.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,014.60 : 1,976,672.66 = 1,106,220.30 : x
  2. Step 2: Convert to fraction form
    1,320,014.60/1,976,672.66 = 1,106,220.30/x
  3. Step 3: Cross multiply
    1,320,014.60x = 1,976,672.66 × 1,106,220.30
  4. Step 4: Simplify right side
    1,320,014.60x = 2,186,635,422,947.00
  5. Step 5: Solve for x
    x = 2,186,635,422,947.00/1,320,014.60
  6. Step 6: Final answer
    x = 1,656,523.66

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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.