Home / 1,218,342.03-1,681,487.96-701,997.05

Finding the Fourth Proportional to 1,218,342.03, 1,681,487.96 and 701,997.05

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Solution

The fourth proportional to 1,218,342.03, 1,681,487.96 and 701,997.05 is: 968,857.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,342.03 : 1,681,487.96 = 701,997.05 : x
  2. Step 2: Convert to fraction form
    1,218,342.03/1,681,487.96 = 701,997.05/x
  3. Step 3: Cross multiply
    1,218,342.03x = 1,681,487.96 × 701,997.05
  4. Step 4: Simplify right side
    1,218,342.03x = 1,180,399,575,613.09
  5. Step 5: Solve for x
    x = 1,180,399,575,613.09/1,218,342.03
  6. Step 6: Final answer
    x = 968,857.30

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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.