Home / 1,328,556.52-1,992,444.72-608,490.64

Finding the Fourth Proportional to 1,328,556.52, 1,992,444.72 and 608,490.64

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Solution

The fourth proportional to 1,328,556.52, 1,992,444.72 and 608,490.64 is: 912,557.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,556.52 : 1,992,444.72 = 608,490.64 : x
  2. Step 2: Convert to fraction form
    1,328,556.52/1,992,444.72 = 608,490.64/x
  3. Step 3: Cross multiply
    1,328,556.52x = 1,992,444.72 × 608,490.64
  4. Step 4: Simplify right side
    1,328,556.52x = 1,212,383,962,837.42
  5. Step 5: Solve for x
    x = 1,212,383,962,837.42/1,328,556.52
  6. Step 6: Final answer
    x = 912,557.31

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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.