Home / 1,486,311.66-2,229,467.43-421,362.93

Finding the Fourth Proportional to 1,486,311.66, 2,229,467.43 and 421,362.93

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Solution

The fourth proportional to 1,486,311.66, 2,229,467.43 and 421,362.93 is: 632,044.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,311.66 : 2,229,467.43 = 421,362.93 : x
  2. Step 2: Convert to fraction form
    1,486,311.66/2,229,467.43 = 421,362.93/x
  3. Step 3: Cross multiply
    1,486,311.66x = 2,229,467.43 × 421,362.93
  4. Step 4: Simplify right side
    1,486,311.66x = 939,414,928,644.37
  5. Step 5: Solve for x
    x = 939,414,928,644.37/1,486,311.66
  6. Step 6: Final answer
    x = 632,044.38

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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.