Home / 1,339,639.64-2,009,525.14-540,821.56

Finding the Fourth Proportional to 1,339,639.64, 2,009,525.14 and 540,821.56

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Solution

The fourth proportional to 1,339,639.64, 2,009,525.14 and 540,821.56 is: 811,258.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,639.64 : 2,009,525.14 = 540,821.56 : x
  2. Step 2: Convert to fraction form
    1,339,639.64/2,009,525.14 = 540,821.56/x
  3. Step 3: Cross multiply
    1,339,639.64x = 2,009,525.14 × 540,821.56
  4. Step 4: Simplify right side
    1,339,639.64x = 1,086,794,521,074.02
  5. Step 5: Solve for x
    x = 1,086,794,521,074.02/1,339,639.64
  6. Step 6: Final answer
    x = 811,258.86

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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.