Home / 1,630,809.90-2,444,246.55-831,680.10

Finding the Fourth Proportional to 1,630,809.90, 2,444,246.55 and 831,680.10

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Solution

The fourth proportional to 1,630,809.90, 2,444,246.55 and 831,680.10 is: 1,246,516.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,809.90 : 2,444,246.55 = 831,680.10 : x
  2. Step 2: Convert to fraction form
    1,630,809.90/2,444,246.55 = 831,680.10/x
  3. Step 3: Cross multiply
    1,630,809.90x = 2,444,246.55 × 831,680.10
  4. Step 4: Simplify right side
    1,630,809.90x = 2,032,831,215,128.65
  5. Step 5: Solve for x
    x = 2,032,831,215,128.65/1,630,809.90
  6. Step 6: Final answer
    x = 1,246,516.36

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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.