Home / 1,264,737.89-1,896,967.07-318,108.97

Finding the Fourth Proportional to 1,264,737.89, 1,896,967.07 and 318,108.97

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Solution

The fourth proportional to 1,264,737.89, 1,896,967.07 and 318,108.97 is: 477,128.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,737.89 : 1,896,967.07 = 318,108.97 : x
  2. Step 2: Convert to fraction form
    1,264,737.89/1,896,967.07 = 318,108.97/x
  3. Step 3: Cross multiply
    1,264,737.89x = 1,896,967.07 × 318,108.97
  4. Step 4: Simplify right side
    1,264,737.89x = 603,442,230,481.51
  5. Step 5: Solve for x
    x = 603,442,230,481.51/1,264,737.89
  6. Step 6: Final answer
    x = 477,128.29

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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.