Home / 1,447,959.90-1,998,185.04-803,378.64

Finding the Fourth Proportional to 1,447,959.90, 1,998,185.04 and 803,378.64

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Solution

The fourth proportional to 1,447,959.90, 1,998,185.04 and 803,378.64 is: 1,108,662.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,959.90 : 1,998,185.04 = 803,378.64 : x
  2. Step 2: Convert to fraction form
    1,447,959.90/1,998,185.04 = 803,378.64/x
  3. Step 3: Cross multiply
    1,447,959.90x = 1,998,185.04 × 803,378.64
  4. Step 4: Simplify right side
    1,447,959.90x = 1,605,299,179,903.55
  5. Step 5: Solve for x
    x = 1,605,299,179,903.55/1,447,959.90
  6. Step 6: Final answer
    x = 1,108,662.73

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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.