Home / 768,619.80-1,152,929.70-758,122.20

Finding the Fourth Proportional to 768,619.80, 1,152,929.70 and 758,122.20

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Solution

The fourth proportional to 768,619.80, 1,152,929.70 and 758,122.20 is: 1,137,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,619.80 : 1,152,929.70 = 758,122.20 : x
  2. Step 2: Convert to fraction form
    768,619.80/1,152,929.70 = 758,122.20/x
  3. Step 3: Cross multiply
    768,619.80x = 1,152,929.70 × 758,122.20
  4. Step 4: Simplify right side
    768,619.80x = 874,061,600,609.34
  5. Step 5: Solve for x
    x = 874,061,600,609.34/768,619.80
  6. Step 6: Final answer
    x = 1,137,183.30

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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.