Home / 1,486,839-2,230,251.21-421,883.00

Finding the Fourth Proportional to 1,486,839, 2,230,251.21 and 421,883.00

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Solution

The fourth proportional to 1,486,839, 2,230,251.21 and 421,883.00 is: 632,822.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,839 : 2,230,251.21 = 421,883.00 : x
  2. Step 2: Convert to fraction form
    1,486,839/2,230,251.21 = 421,883.00/x
  3. Step 3: Cross multiply
    1,486,839x = 2,230,251.21 × 421,883.00
  4. Step 4: Simplify right side
    1,486,839x = 940,905,060,077.17
  5. Step 5: Solve for x
    x = 940,905,060,077.17/1,486,839
  6. Step 6: Final answer
    x = 632,822.42

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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.