Home / 1,341,157.90-1,850,846.56-768,308.78

Finding the Fourth Proportional to 1,341,157.90, 1,850,846.56 and 768,308.78

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Solution

The fourth proportional to 1,341,157.90, 1,850,846.56 and 768,308.78 is: 1,060,293.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,157.90 : 1,850,846.56 = 768,308.78 : x
  2. Step 2: Convert to fraction form
    1,341,157.90/1,850,846.56 = 768,308.78/x
  3. Step 3: Cross multiply
    1,341,157.90x = 1,850,846.56 × 768,308.78
  4. Step 4: Simplify right side
    1,341,157.90x = 1,422,021,662,480.80
  5. Step 5: Solve for x
    x = 1,422,021,662,480.80/1,341,157.90
  6. Step 6: Final answer
    x = 1,060,293.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.