Home / 1,339,682.28-2,009,801.18-393,083.88

Finding the Fourth Proportional to 1,339,682.28, 2,009,801.18 and 393,083.88

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Solution

The fourth proportional to 1,339,682.28, 2,009,801.18 and 393,083.88 is: 589,707.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,682.28 : 2,009,801.18 = 393,083.88 : x
  2. Step 2: Convert to fraction form
    1,339,682.28/2,009,801.18 = 393,083.88/x
  3. Step 3: Cross multiply
    1,339,682.28x = 2,009,801.18 × 393,083.88
  4. Step 4: Simplify right side
    1,339,682.28x = 790,020,445,862.98
  5. Step 5: Solve for x
    x = 790,020,445,862.98/1,339,682.28
  6. Step 6: Final answer
    x = 589,707.32

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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.