Home / 1,187,888.42-1,782,362.37-547,848

Finding the Fourth Proportional to 1,187,888.42, 1,782,362.37 and 547,848

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Solution

The fourth proportional to 1,187,888.42, 1,782,362.37 and 547,848 is: 822,016.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,888.42 : 1,782,362.37 = 547,848 : x
  2. Step 2: Convert to fraction form
    1,187,888.42/1,782,362.37 = 547,848/x
  3. Step 3: Cross multiply
    1,187,888.42x = 1,782,362.37 × 547,848
  4. Step 4: Simplify right side
    1,187,888.42x = 976,463,659,679.76
  5. Step 5: Solve for x
    x = 976,463,659,679.76/1,187,888.42
  6. Step 6: Final answer
    x = 822,016.32

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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.