Home / 1,274,487.72-1,758,961.02-765,222.90

Finding the Fourth Proportional to 1,274,487.72, 1,758,961.02 and 765,222.90

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Solution

The fourth proportional to 1,274,487.72, 1,758,961.02 and 765,222.90 is: 1,056,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,487.72 : 1,758,961.02 = 765,222.90 : x
  2. Step 2: Convert to fraction form
    1,274,487.72/1,758,961.02 = 765,222.90/x
  3. Step 3: Cross multiply
    1,274,487.72x = 1,758,961.02 × 765,222.90
  4. Step 4: Simplify right side
    1,274,487.72x = 1,345,997,252,711.36
  5. Step 5: Solve for x
    x = 1,345,997,252,711.36/1,274,487.72
  6. Step 6: Final answer
    x = 1,056,108.45

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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.