Home / 1,419,540.55-1,958,995.61-774,987.91

Finding the Fourth Proportional to 1,419,540.55, 1,958,995.61 and 774,987.91

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Solution

The fourth proportional to 1,419,540.55, 1,958,995.61 and 774,987.91 is: 1,069,499.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,540.55 : 1,958,995.61 = 774,987.91 : x
  2. Step 2: Convert to fraction form
    1,419,540.55/1,958,995.61 = 774,987.91/x
  3. Step 3: Cross multiply
    1,419,540.55x = 1,958,995.61 × 774,987.91
  4. Step 4: Simplify right side
    1,419,540.55x = 1,518,197,913,493.08
  5. Step 5: Solve for x
    x = 1,518,197,913,493.08/1,419,540.55
  6. Step 6: Final answer
    x = 1,069,499.50

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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.