Home / 991,019.24-1,366,989.62-825,023.60

Finding the Fourth Proportional to 991,019.24, 1,366,989.62 and 825,023.60

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Solution

The fourth proportional to 991,019.24, 1,366,989.62 and 825,023.60 is: 1,138,018.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,019.24 : 1,366,989.62 = 825,023.60 : x
  2. Step 2: Convert to fraction form
    991,019.24/1,366,989.62 = 825,023.60/x
  3. Step 3: Cross multiply
    991,019.24x = 1,366,989.62 × 825,023.60
  4. Step 4: Simplify right side
    991,019.24x = 1,127,798,697,455.03
  5. Step 5: Solve for x
    x = 1,127,798,697,455.03/991,019.24
  6. Step 6: Final answer
    x = 1,138,018.97

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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.