Home / 1,142,409.83-1,713,972.96-687,497.42

Finding the Fourth Proportional to 1,142,409.83, 1,713,972.96 and 687,497.42

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Solution

The fourth proportional to 1,142,409.83, 1,713,972.96 and 687,497.42 is: 1,031,461.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,409.83 : 1,713,972.96 = 687,497.42 : x
  2. Step 2: Convert to fraction form
    1,142,409.83/1,713,972.96 = 687,497.42/x
  3. Step 3: Cross multiply
    1,142,409.83x = 1,713,972.96 × 687,497.42
  4. Step 4: Simplify right side
    1,142,409.83x = 1,178,351,992,234.70
  5. Step 5: Solve for x
    x = 1,178,351,992,234.70/1,142,409.83
  6. Step 6: Final answer
    x = 1,031,461.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.