Home / 1,630,809.40-2,444,245.80-831,679.60

Finding the Fourth Proportional to 1,630,809.40, 2,444,245.80 and 831,679.60

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Solution

The fourth proportional to 1,630,809.40, 2,444,245.80 and 831,679.60 is: 1,246,515.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,809.40 : 2,444,245.80 = 831,679.60 : x
  2. Step 2: Convert to fraction form
    1,630,809.40/2,444,245.80 = 831,679.60/x
  3. Step 3: Cross multiply
    1,630,809.40x = 2,444,245.80 × 831,679.60
  4. Step 4: Simplify right side
    1,630,809.40x = 2,032,829,369,245.68
  5. Step 5: Solve for x
    x = 2,032,829,369,245.68/1,630,809.40
  6. Step 6: Final answer
    x = 1,246,515.61

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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.