Home / 1,361,161.46-1,878,426.86-740,984.58

Finding the Fourth Proportional to 1,361,161.46, 1,878,426.86 and 740,984.58

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Solution

The fourth proportional to 1,361,161.46, 1,878,426.86 and 740,984.58 is: 1,022,571.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,161.46 : 1,878,426.86 = 740,984.58 : x
  2. Step 2: Convert to fraction form
    1,361,161.46/1,878,426.86 = 740,984.58/x
  3. Step 3: Cross multiply
    1,361,161.46x = 1,878,426.86 × 740,984.58
  4. Step 4: Simplify right side
    1,361,161.46x = 1,391,885,337,917.82
  5. Step 5: Solve for x
    x = 1,391,885,337,917.82/1,361,161.46
  6. Step 6: Final answer
    x = 1,022,571.81

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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.