Home / 1,018,982.98-1,528,659.03-419,617.21

Finding the Fourth Proportional to 1,018,982.98, 1,528,659.03 and 419,617.21

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Solution

The fourth proportional to 1,018,982.98, 1,528,659.03 and 419,617.21 is: 629,501.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,982.98 : 1,528,659.03 = 419,617.21 : x
  2. Step 2: Convert to fraction form
    1,018,982.98/1,528,659.03 = 419,617.21/x
  3. Step 3: Cross multiply
    1,018,982.98x = 1,528,659.03 × 419,617.21
  4. Step 4: Simplify right side
    1,018,982.98x = 641,451,637,209.91
  5. Step 5: Solve for x
    x = 641,451,637,209.91/1,018,982.98
  6. Step 6: Final answer
    x = 629,501.82

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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.