Home / 1,920,331.20-2,880,496.80-658,171.20

Finding the Fourth Proportional to 1,920,331.20, 2,880,496.80 and 658,171.20

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Solution

The fourth proportional to 1,920,331.20, 2,880,496.80 and 658,171.20 is: 987,256.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,331.20 : 2,880,496.80 = 658,171.20 : x
  2. Step 2: Convert to fraction form
    1,920,331.20/2,880,496.80 = 658,171.20/x
  3. Step 3: Cross multiply
    1,920,331.20x = 2,880,496.80 × 658,171.20
  4. Step 4: Simplify right side
    1,920,331.20x = 1,895,860,035,452.16
  5. Step 5: Solve for x
    x = 1,895,860,035,452.16/1,920,331.20
  6. Step 6: Final answer
    x = 987,256.80

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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.