Home / 1,490,796.45-2,236,194.68-1,012,499.55

Finding the Fourth Proportional to 1,490,796.45, 2,236,194.68 and 1,012,499.55

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Solution

The fourth proportional to 1,490,796.45, 2,236,194.68 and 1,012,499.55 is: 1,518,749.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,796.45 : 2,236,194.68 = 1,012,499.55 : x
  2. Step 2: Convert to fraction form
    1,490,796.45/2,236,194.68 = 1,012,499.55/x
  3. Step 3: Cross multiply
    1,490,796.45x = 2,236,194.68 × 1,012,499.55
  4. Step 4: Simplify right side
    1,490,796.45x = 2,264,146,102,149.90
  5. Step 5: Solve for x
    x = 2,264,146,102,149.90/1,490,796.45
  6. Step 6: Final answer
    x = 1,518,749.33

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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.