Home / 1,999,287.90-2,996,307.45-800,228.70

Finding the Fourth Proportional to 1,999,287.90, 2,996,307.45 and 800,228.70

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Solution

The fourth proportional to 1,999,287.90, 2,996,307.45 and 800,228.70 is: 1,199,292.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,287.90 : 2,996,307.45 = 800,228.70 : x
  2. Step 2: Convert to fraction form
    1,999,287.90/2,996,307.45 = 800,228.70/x
  3. Step 3: Cross multiply
    1,999,287.90x = 2,996,307.45 × 800,228.70
  4. Step 4: Simplify right side
    1,999,287.90x = 2,397,731,215,513.82
  5. Step 5: Solve for x
    x = 2,397,731,215,513.82/1,999,287.90
  6. Step 6: Final answer
    x = 1,199,292.62

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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.