Home / 1,320,008.22-1,976,663.12-1,106,213.93

Finding the Fourth Proportional to 1,320,008.22, 1,976,663.12 and 1,106,213.93

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Solution

The fourth proportional to 1,320,008.22, 1,976,663.12 and 1,106,213.93 is: 1,656,514.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,008.22 : 1,976,663.12 = 1,106,213.93 : x
  2. Step 2: Convert to fraction form
    1,320,008.22/1,976,663.12 = 1,106,213.93/x
  3. Step 3: Cross multiply
    1,320,008.22x = 1,976,663.12 × 1,106,213.93
  4. Step 4: Simplify right side
    1,320,008.22x = 2,186,612,278,261.26
  5. Step 5: Solve for x
    x = 2,186,612,278,261.26/1,320,008.22
  6. Step 6: Final answer
    x = 1,656,514.14

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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.