Home / 1,242,992.54-1,717,018.22-974,450.81

Finding the Fourth Proportional to 1,242,992.54, 1,717,018.22 and 974,450.81

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Solution

The fourth proportional to 1,242,992.54, 1,717,018.22 and 974,450.81 is: 1,346,065.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,992.54 : 1,717,018.22 = 974,450.81 : x
  2. Step 2: Convert to fraction form
    1,242,992.54/1,717,018.22 = 974,450.81/x
  3. Step 3: Cross multiply
    1,242,992.54x = 1,717,018.22 × 974,450.81
  4. Step 4: Simplify right side
    1,242,992.54x = 1,673,149,795,263.76
  5. Step 5: Solve for x
    x = 1,673,149,795,263.76/1,242,992.54
  6. Step 6: Final answer
    x = 1,346,065.84

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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.