Home / 1,518,707.65-2,279,182.98-719,992

Finding the Fourth Proportional to 1,518,707.65, 2,279,182.98 and 719,992

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Solution

The fourth proportional to 1,518,707.65, 2,279,182.98 and 719,992 is: 1,080,519.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,707.65 : 2,279,182.98 = 719,992 : x
  2. Step 2: Convert to fraction form
    1,518,707.65/2,279,182.98 = 719,992/x
  3. Step 3: Cross multiply
    1,518,707.65x = 2,279,182.98 × 719,992
  4. Step 4: Simplify right side
    1,518,707.65x = 1,640,993,512,136.16
  5. Step 5: Solve for x
    x = 1,640,993,512,136.16/1,518,707.65
  6. Step 6: Final answer
    x = 1,080,519.69

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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.