Home / 1,343,886.21-2,016,475.73-838,317.42

Finding the Fourth Proportional to 1,343,886.21, 2,016,475.73 and 838,317.42

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Solution

The fourth proportional to 1,343,886.21, 2,016,475.73 and 838,317.42 is: 1,257,879.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,886.21 : 2,016,475.73 = 838,317.42 : x
  2. Step 2: Convert to fraction form
    1,343,886.21/2,016,475.73 = 838,317.42/x
  3. Step 3: Cross multiply
    1,343,886.21x = 2,016,475.73 × 838,317.42
  4. Step 4: Simplify right side
    1,343,886.21x = 1,690,446,723,479.63
  5. Step 5: Solve for x
    x = 1,690,446,723,479.63/1,343,886.21
  6. Step 6: Final answer
    x = 1,257,879.36

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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.