Home / 1,036,648.18-1,431,303.91-727,208.64

Finding the Fourth Proportional to 1,036,648.18, 1,431,303.91 and 727,208.64

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Solution

The fourth proportional to 1,036,648.18, 1,431,303.91 and 727,208.64 is: 1,004,059.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,648.18 : 1,431,303.91 = 727,208.64 : x
  2. Step 2: Convert to fraction form
    1,036,648.18/1,431,303.91 = 727,208.64/x
  3. Step 3: Cross multiply
    1,036,648.18x = 1,431,303.91 × 727,208.64
  4. Step 4: Simplify right side
    1,036,648.18x = 1,040,856,569,817.78
  5. Step 5: Solve for x
    x = 1,040,856,569,817.78/1,036,648.18
  6. Step 6: Final answer
    x = 1,004,059.61

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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.