Home / 1,317,256.42-1,817,815.77-713,644.42

Finding the Fourth Proportional to 1,317,256.42, 1,817,815.77 and 713,644.42

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Solution

The fourth proportional to 1,317,256.42, 1,817,815.77 and 713,644.42 is: 984,830.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,256.42 : 1,817,815.77 = 713,644.42 : x
  2. Step 2: Convert to fraction form
    1,317,256.42/1,817,815.77 = 713,644.42/x
  3. Step 3: Cross multiply
    1,317,256.42x = 1,817,815.77 × 713,644.42
  4. Step 4: Simplify right side
    1,317,256.42x = 1,297,274,080,848.50
  5. Step 5: Solve for x
    x = 1,297,274,080,848.50/1,317,256.42
  6. Step 6: Final answer
    x = 984,830.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.