Home / 1,684,011.28-2,525,422.20-485,610.16

Finding the Fourth Proportional to 1,684,011.28, 2,525,422.20 and 485,610.16

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Solution

The fourth proportional to 1,684,011.28, 2,525,422.20 and 485,610.16 is: 728,243.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,011.28 : 2,525,422.20 = 485,610.16 : x
  2. Step 2: Convert to fraction form
    1,684,011.28/2,525,422.20 = 485,610.16/x
  3. Step 3: Cross multiply
    1,684,011.28x = 2,525,422.20 × 485,610.16
  4. Step 4: Simplify right side
    1,684,011.28x = 1,226,370,678,609.55
  5. Step 5: Solve for x
    x = 1,226,370,678,609.55/1,684,011.28
  6. Step 6: Final answer
    x = 728,243.74

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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.