Home / 1,433,396.00-1,978,086.77-788,816.20

Finding the Fourth Proportional to 1,433,396.00, 1,978,086.77 and 788,816.20

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Solution

The fourth proportional to 1,433,396.00, 1,978,086.77 and 788,816.20 is: 1,088,566.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,396.00 : 1,978,086.77 = 788,816.20 : x
  2. Step 2: Convert to fraction form
    1,433,396.00/1,978,086.77 = 788,816.20/x
  3. Step 3: Cross multiply
    1,433,396.00x = 1,978,086.77 × 788,816.20
  4. Step 4: Simplify right side
    1,433,396.00x = 1,560,346,884,169.22
  5. Step 5: Solve for x
    x = 1,560,346,884,169.22/1,433,396.00
  6. Step 6: Final answer
    x = 1,088,566.51

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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.