Home / 1,791,992.72-2,472,948.87-987,176.72

Finding the Fourth Proportional to 1,791,992.72, 2,472,948.87 and 987,176.72

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Solution

The fourth proportional to 1,791,992.72, 2,472,948.87 and 987,176.72 is: 1,362,303.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,992.72 : 2,472,948.87 = 987,176.72 : x
  2. Step 2: Convert to fraction form
    1,791,992.72/2,472,948.87 = 987,176.72/x
  3. Step 3: Cross multiply
    1,791,992.72x = 2,472,948.87 × 987,176.72
  4. Step 4: Simplify right side
    1,791,992.72x = 2,441,237,541,849.56
  5. Step 5: Solve for x
    x = 2,441,237,541,849.56/1,791,992.72
  6. Step 6: Final answer
    x = 1,362,303.27

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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.