Home / 1,210,665.96-1,815,368.34-451,883.37

Finding the Fourth Proportional to 1,210,665.96, 1,815,368.34 and 451,883.37

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Solution

The fourth proportional to 1,210,665.96, 1,815,368.34 and 451,883.37 is: 677,589.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,665.96 : 1,815,368.34 = 451,883.37 : x
  2. Step 2: Convert to fraction form
    1,210,665.96/1,815,368.34 = 451,883.37/x
  3. Step 3: Cross multiply
    1,210,665.96x = 1,815,368.34 × 451,883.37
  4. Step 4: Simplify right side
    1,210,665.96x = 820,334,763,270.51
  5. Step 5: Solve for x
    x = 820,334,763,270.51/1,210,665.96
  6. Step 6: Final answer
    x = 677,589.68

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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.