Home / 1,543,147.66-2,129,543.42-854,864.07

Finding the Fourth Proportional to 1,543,147.66, 2,129,543.42 and 854,864.07

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Solution

The fourth proportional to 1,543,147.66, 2,129,543.42 and 854,864.07 is: 1,179,712.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,147.66 : 2,129,543.42 = 854,864.07 : x
  2. Step 2: Convert to fraction form
    1,543,147.66/2,129,543.42 = 854,864.07/x
  3. Step 3: Cross multiply
    1,543,147.66x = 2,129,543.42 × 854,864.07
  4. Step 4: Simplify right side
    1,543,147.66x = 1,820,470,155,262.92
  5. Step 5: Solve for x
    x = 1,820,470,155,262.92/1,543,147.66
  6. Step 6: Final answer
    x = 1,179,712.22

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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.