Home / 1,068,159.51-1,601,131.79-667,881.41

Finding the Fourth Proportional to 1,068,159.51, 1,601,131.79 and 667,881.41

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Solution

The fourth proportional to 1,068,159.51, 1,601,131.79 and 667,881.41 is: 1,001,129.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,159.51 : 1,601,131.79 = 667,881.41 : x
  2. Step 2: Convert to fraction form
    1,068,159.51/1,601,131.79 = 667,881.41/x
  3. Step 3: Cross multiply
    1,068,159.51x = 1,601,131.79 × 667,881.41
  4. Step 4: Simplify right side
    1,068,159.51x = 1,069,366,151,165.07
  5. Step 5: Solve for x
    x = 1,069,366,151,165.07/1,068,159.51
  6. Step 6: Final answer
    x = 1,001,129.65

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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.