Home / 1,447,885.43-1,998,321.73-803,512.61

Finding the Fourth Proportional to 1,447,885.43, 1,998,321.73 and 803,512.61

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Solution

The fourth proportional to 1,447,885.43, 1,998,321.73 and 803,512.61 is: 1,108,980.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,885.43 : 1,998,321.73 = 803,512.61 : x
  2. Step 2: Convert to fraction form
    1,447,885.43/1,998,321.73 = 803,512.61/x
  3. Step 3: Cross multiply
    1,447,885.43x = 1,998,321.73 × 803,512.61
  4. Step 4: Simplify right side
    1,447,885.43x = 1,605,676,696,891.63
  5. Step 5: Solve for x
    x = 1,605,676,696,891.63/1,447,885.43
  6. Step 6: Final answer
    x = 1,108,980.50

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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.