Home / 1,320,014.63-1,976,672.72-1,106,220.35

Finding the Fourth Proportional to 1,320,014.63, 1,976,672.72 and 1,106,220.35

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Solution

The fourth proportional to 1,320,014.63, 1,976,672.72 and 1,106,220.35 is: 1,656,523.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,014.63 : 1,976,672.72 = 1,106,220.35 : x
  2. Step 2: Convert to fraction form
    1,320,014.63/1,976,672.72 = 1,106,220.35/x
  3. Step 3: Cross multiply
    1,320,014.63x = 1,976,672.72 × 1,106,220.35
  4. Step 4: Simplify right side
    1,320,014.63x = 2,186,635,572,739.39
  5. Step 5: Solve for x
    x = 2,186,635,572,739.39/1,320,014.63
  6. Step 6: Final answer
    x = 1,656,523.75

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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.