Home / 1,380,583.02-2,071,015.92-528,371.39

Finding the Fourth Proportional to 1,380,583.02, 2,071,015.92 and 528,371.39

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Solution

The fourth proportional to 1,380,583.02, 2,071,015.92 and 528,371.39 is: 792,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,583.02 : 2,071,015.92 = 528,371.39 : x
  2. Step 2: Convert to fraction form
    1,380,583.02/2,071,015.92 = 528,371.39/x
  3. Step 3: Cross multiply
    1,380,583.02x = 2,071,015.92 × 528,371.39
  4. Step 4: Simplify right side
    1,380,583.02x = 1,094,265,560,362.53
  5. Step 5: Solve for x
    x = 1,094,265,560,362.53/1,380,583.02
  6. Step 6: Final answer
    x = 792,611.20

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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.