Home / 1,269,816.48-1,904,703.70-511,639.44

Finding the Fourth Proportional to 1,269,816.48, 1,904,703.70 and 511,639.44

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Solution

The fourth proportional to 1,269,816.48, 1,904,703.70 and 511,639.44 is: 767,450.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,816.48 : 1,904,703.70 = 511,639.44 : x
  2. Step 2: Convert to fraction form
    1,269,816.48/1,904,703.70 = 511,639.44/x
  3. Step 3: Cross multiply
    1,269,816.48x = 1,904,703.70 × 511,639.44
  4. Step 4: Simplify right side
    1,269,816.48x = 974,521,534,433.93
  5. Step 5: Solve for x
    x = 974,521,534,433.93/1,269,816.48
  6. Step 6: Final answer
    x = 767,450.69

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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.