Home / 679,127.78-1,018,687.93-173,687.92

Finding the Fourth Proportional to 679,127.78, 1,018,687.93 and 173,687.92

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Solution

The fourth proportional to 679,127.78, 1,018,687.93 and 173,687.92 is: 260,530.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,127.78 : 1,018,687.93 = 173,687.92 : x
  2. Step 2: Convert to fraction form
    679,127.78/1,018,687.93 = 173,687.92/x
  3. Step 3: Cross multiply
    679,127.78x = 1,018,687.93 × 173,687.92
  4. Step 4: Simplify right side
    679,127.78x = 176,933,784,709.87
  5. Step 5: Solve for x
    x = 176,933,784,709.87/679,127.78
  6. Step 6: Final answer
    x = 260,530.92

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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.