Home / 1,543,185.48-2,129,572.90-854,855.28

Finding the Fourth Proportional to 1,543,185.48, 2,129,572.90 and 854,855.28

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Solution

The fourth proportional to 1,543,185.48, 2,129,572.90 and 854,855.28 is: 1,179,687.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,185.48 : 2,129,572.90 = 854,855.28 : x
  2. Step 2: Convert to fraction form
    1,543,185.48/2,129,572.90 = 854,855.28/x
  3. Step 3: Cross multiply
    1,543,185.48x = 2,129,572.90 × 854,855.28
  4. Step 4: Simplify right side
    1,543,185.48x = 1,820,476,637,709.91
  5. Step 5: Solve for x
    x = 1,820,476,637,709.91/1,543,185.48
  6. Step 6: Final answer
    x = 1,179,687.51

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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.