Home / 1,130,112.50-1,693,907.81-489,676.88

Finding the Fourth Proportional to 1,130,112.50, 1,693,907.81 and 489,676.88

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Solution

The fourth proportional to 1,130,112.50, 1,693,907.81 and 489,676.88 is: 733,968.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,112.50 : 1,693,907.81 = 489,676.88 : x
  2. Step 2: Convert to fraction form
    1,130,112.50/1,693,907.81 = 489,676.88/x
  3. Step 3: Cross multiply
    1,130,112.50x = 1,693,907.81 × 489,676.88
  4. Step 4: Simplify right side
    1,130,112.50x = 829,467,493,194.82
  5. Step 5: Solve for x
    x = 829,467,493,194.82/1,130,112.50
  6. Step 6: Final answer
    x = 733,968.96

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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.