Home / 1,242,991.54-1,717,016.84-974,449.81

Finding the Fourth Proportional to 1,242,991.54, 1,717,016.84 and 974,449.81

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Solution

The fourth proportional to 1,242,991.54, 1,717,016.84 and 974,449.81 is: 1,346,064.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,991.54 : 1,717,016.84 = 974,449.81 : x
  2. Step 2: Convert to fraction form
    1,242,991.54/1,717,016.84 = 974,449.81/x
  3. Step 3: Cross multiply
    1,242,991.54x = 1,717,016.84 × 974,449.81
  4. Step 4: Simplify right side
    1,242,991.54x = 1,673,146,733,504.80
  5. Step 5: Solve for x
    x = 1,673,146,733,504.80/1,242,991.54
  6. Step 6: Final answer
    x = 1,346,064.46

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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.