Home / 1,631,486.40-2,446,272.18-493,906.20

Finding the Fourth Proportional to 1,631,486.40, 2,446,272.18 and 493,906.20

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Solution

The fourth proportional to 1,631,486.40, 2,446,272.18 and 493,906.20 is: 740,569.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,486.40 : 2,446,272.18 = 493,906.20 : x
  2. Step 2: Convert to fraction form
    1,631,486.40/2,446,272.18 = 493,906.20/x
  3. Step 3: Cross multiply
    1,631,486.40x = 2,446,272.18 × 493,906.20
  4. Step 4: Simplify right side
    1,631,486.40x = 1,208,228,996,589.52
  5. Step 5: Solve for x
    x = 1,208,228,996,589.52/1,631,486.40
  6. Step 6: Final answer
    x = 740,569.46

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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.