Home / 1,630,806-2,444,363.20-830,396.80

Finding the Fourth Proportional to 1,630,806, 2,444,363.20 and 830,396.80

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Solution

The fourth proportional to 1,630,806, 2,444,363.20 and 830,396.80 is: 1,244,655.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,806 : 2,444,363.20 = 830,396.80 : x
  2. Step 2: Convert to fraction form
    1,630,806/2,444,363.20 = 830,396.80/x
  3. Step 3: Cross multiply
    1,630,806x = 2,444,363.20 × 830,396.80
  4. Step 4: Simplify right side
    1,630,806x = 2,029,791,379,317.76
  5. Step 5: Solve for x
    x = 2,029,791,379,317.76/1,630,806
  6. Step 6: Final answer
    x = 1,244,655.33

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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.