Home / 1,189,040.22-1,783,554.06-290,487

Finding the Fourth Proportional to 1,189,040.22, 1,783,554.06 and 290,487

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Solution

The fourth proportional to 1,189,040.22, 1,783,554.06 and 290,487 is: 435,728.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,040.22 : 1,783,554.06 = 290,487 : x
  2. Step 2: Convert to fraction form
    1,189,040.22/1,783,554.06 = 290,487/x
  3. Step 3: Cross multiply
    1,189,040.22x = 1,783,554.06 × 290,487
  4. Step 4: Simplify right side
    1,189,040.22x = 518,099,268,227.22
  5. Step 5: Solve for x
    x = 518,099,268,227.22/1,189,040.22
  6. Step 6: Final answer
    x = 435,728.97

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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.