Home / 1,309,442.51-1,964,643.48-551,474.75

Finding the Fourth Proportional to 1,309,442.51, 1,964,643.48 and 551,474.75

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Solution

The fourth proportional to 1,309,442.51, 1,964,643.48 and 551,474.75 is: 827,414.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,442.51 : 1,964,643.48 = 551,474.75 : x
  2. Step 2: Convert to fraction form
    1,309,442.51/1,964,643.48 = 551,474.75/x
  3. Step 3: Cross multiply
    1,309,442.51x = 1,964,643.48 × 551,474.75
  4. Step 4: Simplify right side
    1,309,442.51x = 1,083,451,262,148.91
  5. Step 5: Solve for x
    x = 1,083,451,262,148.91/1,309,442.51
  6. Step 6: Final answer
    x = 827,414.15

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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.