Home / 1,284,489.48-1,927,004.58-485,753.16

Finding the Fourth Proportional to 1,284,489.48, 1,927,004.58 and 485,753.16

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Solution

The fourth proportional to 1,284,489.48, 1,927,004.58 and 485,753.16 is: 728,731.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,489.48 : 1,927,004.58 = 485,753.16 : x
  2. Step 2: Convert to fraction form
    1,284,489.48/1,927,004.58 = 485,753.16/x
  3. Step 3: Cross multiply
    1,284,489.48x = 1,927,004.58 × 485,753.16
  4. Step 4: Simplify right side
    1,284,489.48x = 936,048,564,069.47
  5. Step 5: Solve for x
    x = 936,048,564,069.47/1,284,489.48
  6. Step 6: Final answer
    x = 728,731.98

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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.