Home / 1,330,904.64-1,995,505.82-791,016.90

Finding the Fourth Proportional to 1,330,904.64, 1,995,505.82 and 791,016.90

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Solution

The fourth proportional to 1,330,904.64, 1,995,505.82 and 791,016.90 is: 1,186,019.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,904.64 : 1,995,505.82 = 791,016.90 : x
  2. Step 2: Convert to fraction form
    1,330,904.64/1,995,505.82 = 791,016.90/x
  3. Step 3: Cross multiply
    1,330,904.64x = 1,995,505.82 × 791,016.90
  4. Step 4: Simplify right side
    1,330,904.64x = 1,578,478,827,668.36
  5. Step 5: Solve for x
    x = 1,578,478,827,668.36/1,330,904.64
  6. Step 6: Final answer
    x = 1,186,019.48

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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.