Home / 1,079,459.04-1,617,022.80-991,273.44

Finding the Fourth Proportional to 1,079,459.04, 1,617,022.80 and 991,273.44

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Solution

The fourth proportional to 1,079,459.04, 1,617,022.80 and 991,273.44 is: 1,484,921.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,459.04 : 1,617,022.80 = 991,273.44 : x
  2. Step 2: Convert to fraction form
    1,079,459.04/1,617,022.80 = 991,273.44/x
  3. Step 3: Cross multiply
    1,079,459.04x = 1,617,022.80 × 991,273.44
  4. Step 4: Simplify right side
    1,079,459.04x = 1,602,911,753,514.43
  5. Step 5: Solve for x
    x = 1,602,911,753,514.43/1,079,459.04
  6. Step 6: Final answer
    x = 1,484,921.33

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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.