Home / 1,225,810.42-1,692,451.72-767,110.44

Finding the Fourth Proportional to 1,225,810.42, 1,692,451.72 and 767,110.44

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Solution

The fourth proportional to 1,225,810.42, 1,692,451.72 and 767,110.44 is: 1,059,133.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,810.42 : 1,692,451.72 = 767,110.44 : x
  2. Step 2: Convert to fraction form
    1,225,810.42/1,692,451.72 = 767,110.44/x
  3. Step 3: Cross multiply
    1,225,810.42x = 1,692,451.72 × 767,110.44
  4. Step 4: Simplify right side
    1,225,810.42x = 1,298,297,383,607.96
  5. Step 5: Solve for x
    x = 1,298,297,383,607.96/1,225,810.42
  6. Step 6: Final answer
    x = 1,059,133.91

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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.