Home / 1,039,978.64-1,433,782.68-825,827.60

Finding the Fourth Proportional to 1,039,978.64, 1,433,782.68 and 825,827.60

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Solution

The fourth proportional to 1,039,978.64, 1,433,782.68 and 825,827.60 is: 1,138,540.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,978.64 : 1,433,782.68 = 825,827.60 : x
  2. Step 2: Convert to fraction form
    1,039,978.64/1,433,782.68 = 825,827.60/x
  3. Step 3: Cross multiply
    1,039,978.64x = 1,433,782.68 × 825,827.60
  4. Step 4: Simplify right side
    1,039,978.64x = 1,184,057,309,545.97
  5. Step 5: Solve for x
    x = 1,184,057,309,545.97/1,039,978.64
  6. Step 6: Final answer
    x = 1,138,540.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.