Home / 1,190,852.31-1,786,279.89-326,294.62

Finding the Fourth Proportional to 1,190,852.31, 1,786,279.89 and 326,294.62

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Solution

The fourth proportional to 1,190,852.31, 1,786,279.89 and 326,294.62 is: 489,442.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,852.31 : 1,786,279.89 = 326,294.62 : x
  2. Step 2: Convert to fraction form
    1,190,852.31/1,786,279.89 = 326,294.62/x
  3. Step 3: Cross multiply
    1,190,852.31x = 1,786,279.89 × 326,294.62
  4. Step 4: Simplify right side
    1,190,852.31x = 582,853,514,679.10
  5. Step 5: Solve for x
    x = 582,853,514,679.10/1,190,852.31
  6. Step 6: Final answer
    x = 489,442.32

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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.