Home / 1,370,563.74-2,051,374.41-1,239,615.90

Finding the Fourth Proportional to 1,370,563.74, 2,051,374.41 and 1,239,615.90

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Solution

The fourth proportional to 1,370,563.74, 2,051,374.41 and 1,239,615.90 is: 1,855,379.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,563.74 : 2,051,374.41 = 1,239,615.90 : x
  2. Step 2: Convert to fraction form
    1,370,563.74/2,051,374.41 = 1,239,615.90/x
  3. Step 3: Cross multiply
    1,370,563.74x = 2,051,374.41 × 1,239,615.90
  4. Step 4: Simplify right side
    1,370,563.74x = 2,542,916,335,489.12
  5. Step 5: Solve for x
    x = 2,542,916,335,489.12/1,370,563.74
  6. Step 6: Final answer
    x = 1,855,379.84

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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.