Home / 1,242,992.29-1,717,017.87-974,450.56

Finding the Fourth Proportional to 1,242,992.29, 1,717,017.87 and 974,450.56

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Solution

The fourth proportional to 1,242,992.29, 1,717,017.87 and 974,450.56 is: 1,346,065.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,992.29 : 1,717,017.87 = 974,450.56 : x
  2. Step 2: Convert to fraction form
    1,242,992.29/1,717,017.87 = 974,450.56/x
  3. Step 3: Cross multiply
    1,242,992.29x = 1,717,017.87 × 974,450.56
  4. Step 4: Simplify right side
    1,242,992.29x = 1,673,149,024,951.51
  5. Step 5: Solve for x
    x = 1,673,149,024,951.51/1,242,992.29
  6. Step 6: Final answer
    x = 1,346,065.49

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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.