Home / 1,821,489.28-2,732,365.14-699,558.28

Finding the Fourth Proportional to 1,821,489.28, 2,732,365.14 and 699,558.28

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Solution

The fourth proportional to 1,821,489.28, 2,732,365.14 and 699,558.28 is: 1,049,387.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,489.28 : 2,732,365.14 = 699,558.28 : x
  2. Step 2: Convert to fraction form
    1,821,489.28/2,732,365.14 = 699,558.28/x
  3. Step 3: Cross multiply
    1,821,489.28x = 2,732,365.14 × 699,558.28
  4. Step 4: Simplify right side
    1,821,489.28x = 1,911,448,657,670.36
  5. Step 5: Solve for x
    x = 1,911,448,657,670.36/1,821,489.28
  6. Step 6: Final answer
    x = 1,049,387.82

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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.