Home / 1,119,663.20-1,679,883.60-489,029.60

Finding the Fourth Proportional to 1,119,663.20, 1,679,883.60 and 489,029.60

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Solution

The fourth proportional to 1,119,663.20, 1,679,883.60 and 489,029.60 is: 733,714.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,663.20 : 1,679,883.60 = 489,029.60 : x
  2. Step 2: Convert to fraction form
    1,119,663.20/1,679,883.60 = 489,029.60/x
  3. Step 3: Cross multiply
    1,119,663.20x = 1,679,883.60 × 489,029.60
  4. Step 4: Simplify right side
    1,119,663.20x = 821,512,804,954.56
  5. Step 5: Solve for x
    x = 821,512,804,954.56/1,119,663.20
  6. Step 6: Final answer
    x = 733,714.21

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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.