Home / 1,309,394.85-1,964,572.04-551,427.12

Finding the Fourth Proportional to 1,309,394.85, 1,964,572.04 and 551,427.12

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Solution

The fourth proportional to 1,309,394.85, 1,964,572.04 and 551,427.12 is: 827,342.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,394.85 : 1,964,572.04 = 551,427.12 : x
  2. Step 2: Convert to fraction form
    1,309,394.85/1,964,572.04 = 551,427.12/x
  3. Step 3: Cross multiply
    1,309,394.85x = 1,964,572.04 × 551,427.12
  4. Step 4: Simplify right side
    1,309,394.85x = 1,083,318,303,428.29
  5. Step 5: Solve for x
    x = 1,083,318,303,428.29/1,309,394.85
  6. Step 6: Final answer
    x = 827,342.73

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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.