Home / 1,428,118.08-2,142,184.41-481,497

Finding the Fourth Proportional to 1,428,118.08, 2,142,184.41 and 481,497

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Solution

The fourth proportional to 1,428,118.08, 2,142,184.41 and 481,497 is: 722,247.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,118.08 : 2,142,184.41 = 481,497 : x
  2. Step 2: Convert to fraction form
    1,428,118.08/2,142,184.41 = 481,497/x
  3. Step 3: Cross multiply
    1,428,118.08x = 2,142,184.41 × 481,497
  4. Step 4: Simplify right side
    1,428,118.08x = 1,031,455,366,861.77
  5. Step 5: Solve for x
    x = 1,031,455,366,861.77/1,428,118.08
  6. Step 6: Final answer
    x = 722,247.96

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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.