Home / 1,489,764.80-2,234,647.20-492,492.80

Finding the Fourth Proportional to 1,489,764.80, 2,234,647.20 and 492,492.80

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Solution

The fourth proportional to 1,489,764.80, 2,234,647.20 and 492,492.80 is: 738,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,764.80 : 2,234,647.20 = 492,492.80 : x
  2. Step 2: Convert to fraction form
    1,489,764.80/2,234,647.20 = 492,492.80/x
  3. Step 3: Cross multiply
    1,489,764.80x = 2,234,647.20 × 492,492.80
  4. Step 4: Simplify right side
    1,489,764.80x = 1,100,547,656,540.16
  5. Step 5: Solve for x
    x = 1,100,547,656,540.16/1,489,764.80
  6. Step 6: Final answer
    x = 738,739.20

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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.