Home / 1,242,990.54-1,717,015.46-974,448.81

Finding the Fourth Proportional to 1,242,990.54, 1,717,015.46 and 974,448.81

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Solution

The fourth proportional to 1,242,990.54, 1,717,015.46 and 974,448.81 is: 1,346,063.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,990.54 : 1,717,015.46 = 974,448.81 : x
  2. Step 2: Convert to fraction form
    1,242,990.54/1,717,015.46 = 974,448.81/x
  3. Step 3: Cross multiply
    1,242,990.54x = 1,717,015.46 × 974,448.81
  4. Step 4: Simplify right side
    1,242,990.54x = 1,673,143,666,876.36
  5. Step 5: Solve for x
    x = 1,673,143,666,876.36/1,242,990.54
  6. Step 6: Final answer
    x = 1,346,063.07

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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.