Home / 1,339,374.11-2,009,048.92-540,089.63

Finding the Fourth Proportional to 1,339,374.11, 2,009,048.92 and 540,089.63

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Solution

The fourth proportional to 1,339,374.11, 2,009,048.92 and 540,089.63 is: 810,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,374.11 : 2,009,048.92 = 540,089.63 : x
  2. Step 2: Convert to fraction form
    1,339,374.11/2,009,048.92 = 540,089.63/x
  3. Step 3: Cross multiply
    1,339,374.11x = 2,009,048.92 × 540,089.63
  4. Step 4: Simplify right side
    1,339,374.11x = 1,085,066,487,854.70
  5. Step 5: Solve for x
    x = 1,085,066,487,854.70/1,339,374.11
  6. Step 6: Final answer
    x = 810,129.51

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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.