Home / 1,432,233.48-1,976,442.72-787,653.66

Finding the Fourth Proportional to 1,432,233.48, 1,976,442.72 and 787,653.66

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Solution

The fourth proportional to 1,432,233.48, 1,976,442.72 and 787,653.66 is: 1,086,940.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,233.48 : 1,976,442.72 = 787,653.66 : x
  2. Step 2: Convert to fraction form
    1,432,233.48/1,976,442.72 = 787,653.66/x
  3. Step 3: Cross multiply
    1,432,233.48x = 1,976,442.72 × 787,653.66
  4. Step 4: Simplify right side
    1,432,233.48x = 1,556,752,342,188.36
  5. Step 5: Solve for x
    x = 1,556,752,342,188.36/1,432,233.48
  6. Step 6: Final answer
    x = 1,086,940.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.