Home / 1,630,812.40-2,444,250.30-831,682.60

Finding the Fourth Proportional to 1,630,812.40, 2,444,250.30 and 831,682.60

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Solution

The fourth proportional to 1,630,812.40, 2,444,250.30 and 831,682.60 is: 1,246,520.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,812.40 : 2,444,250.30 = 831,682.60 : x
  2. Step 2: Convert to fraction form
    1,630,812.40/2,444,250.30 = 831,682.60/x
  3. Step 3: Cross multiply
    1,630,812.40x = 2,444,250.30 × 831,682.60
  4. Step 4: Simplify right side
    1,630,812.40x = 2,032,840,444,554.78
  5. Step 5: Solve for x
    x = 2,032,840,444,554.78/1,630,812.40
  6. Step 6: Final answer
    x = 1,246,520.11

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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.