Home / 1,021,285.37-1,409,377.81-613,394.15

Finding the Fourth Proportional to 1,021,285.37, 1,409,377.81 and 613,394.15

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Solution

The fourth proportional to 1,021,285.37, 1,409,377.81 and 613,394.15 is: 846,486.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,285.37 : 1,409,377.81 = 613,394.15 : x
  2. Step 2: Convert to fraction form
    1,021,285.37/1,409,377.81 = 613,394.15/x
  3. Step 3: Cross multiply
    1,021,285.37x = 1,409,377.81 × 613,394.15
  4. Step 4: Simplify right side
    1,021,285.37x = 864,504,108,943.22
  5. Step 5: Solve for x
    x = 864,504,108,943.22/1,021,285.37
  6. Step 6: Final answer
    x = 846,486.33

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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.