Home / 1,322,028-1,824,554.16-785,484

Finding the Fourth Proportional to 1,322,028, 1,824,554.16 and 785,484

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Solution

The fourth proportional to 1,322,028, 1,824,554.16 and 785,484 is: 1,084,060.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,028 : 1,824,554.16 = 785,484 : x
  2. Step 2: Convert to fraction form
    1,322,028/1,824,554.16 = 785,484/x
  3. Step 3: Cross multiply
    1,322,028x = 1,824,554.16 × 785,484
  4. Step 4: Simplify right side
    1,322,028x = 1,433,158,099,813.44
  5. Step 5: Solve for x
    x = 1,433,158,099,813.44/1,322,028
  6. Step 6: Final answer
    x = 1,084,060.32

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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.