Home / 1,020,431.93-1,530,992.34-451,734.57

Finding the Fourth Proportional to 1,020,431.93, 1,530,992.34 and 451,734.57

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Solution

The fourth proportional to 1,020,431.93, 1,530,992.34 and 451,734.57 is: 677,754.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,431.93 : 1,530,992.34 = 451,734.57 : x
  2. Step 2: Convert to fraction form
    1,020,431.93/1,530,992.34 = 451,734.57/x
  3. Step 3: Cross multiply
    1,020,431.93x = 1,530,992.34 × 451,734.57
  4. Step 4: Simplify right side
    1,020,431.93x = 691,602,166,383.19
  5. Step 5: Solve for x
    x = 691,602,166,383.19/1,020,431.93
  6. Step 6: Final answer
    x = 677,754.34

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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.