Home / 1,309,429.35-1,964,623.80-551,461.62

Finding the Fourth Proportional to 1,309,429.35, 1,964,623.80 and 551,461.62

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Solution

The fourth proportional to 1,309,429.35, 1,964,623.80 and 551,461.62 is: 827,394.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,429.35 : 1,964,623.80 = 551,461.62 : x
  2. Step 2: Convert to fraction form
    1,309,429.35/1,964,623.80 = 551,461.62/x
  3. Step 3: Cross multiply
    1,309,429.35x = 1,964,623.80 × 551,461.62
  4. Step 4: Simplify right side
    1,309,429.35x = 1,083,414,623,438.56
  5. Step 5: Solve for x
    x = 1,083,414,623,438.56/1,309,429.35
  6. Step 6: Final answer
    x = 827,394.49

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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.