Home / 1,210,447.20-1,815,670.80-620,623.20

Finding the Fourth Proportional to 1,210,447.20, 1,815,670.80 and 620,623.20

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Solution

The fourth proportional to 1,210,447.20, 1,815,670.80 and 620,623.20 is: 930,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,447.20 : 1,815,670.80 = 620,623.20 : x
  2. Step 2: Convert to fraction form
    1,210,447.20/1,815,670.80 = 620,623.20/x
  3. Step 3: Cross multiply
    1,210,447.20x = 1,815,670.80 × 620,623.20
  4. Step 4: Simplify right side
    1,210,447.20x = 1,126,847,422,042.56
  5. Step 5: Solve for x
    x = 1,126,847,422,042.56/1,210,447.20
  6. Step 6: Final answer
    x = 930,934.80

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Similar ratio
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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.