Home / 1,282,042.53-1,769,272.20-738,164.79

Finding the Fourth Proportional to 1,282,042.53, 1,769,272.20 and 738,164.79

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Solution

The fourth proportional to 1,282,042.53, 1,769,272.20 and 738,164.79 is: 1,018,698.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,042.53 : 1,769,272.20 = 738,164.79 : x
  2. Step 2: Convert to fraction form
    1,282,042.53/1,769,272.20 = 738,164.79/x
  3. Step 3: Cross multiply
    1,282,042.53x = 1,769,272.20 × 738,164.79
  4. Step 4: Simplify right side
    1,282,042.53x = 1,306,014,441,965.84
  5. Step 5: Solve for x
    x = 1,306,014,441,965.84/1,282,042.53
  6. Step 6: Final answer
    x = 1,018,698.22

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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.