Home / 1,612,643.82-2,420,460.41-814,485.88

Finding the Fourth Proportional to 1,612,643.82, 2,420,460.41 and 814,485.88

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Solution

The fourth proportional to 1,612,643.82, 2,420,460.41 and 814,485.88 is: 1,222,483.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,643.82 : 2,420,460.41 = 814,485.88 : x
  2. Step 2: Convert to fraction form
    1,612,643.82/2,420,460.41 = 814,485.88/x
  3. Step 3: Cross multiply
    1,612,643.82x = 2,420,460.41 × 814,485.88
  4. Step 4: Simplify right side
    1,612,643.82x = 1,971,430,827,044.01
  5. Step 5: Solve for x
    x = 1,971,430,827,044.01/1,612,643.82
  6. Step 6: Final answer
    x = 1,222,483.73

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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.