Home / 1,321,848.45-1,823,989.59-740,937.51

Finding the Fourth Proportional to 1,321,848.45, 1,823,989.59 and 740,937.51

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Solution

The fourth proportional to 1,321,848.45, 1,823,989.59 and 740,937.51 is: 1,022,403.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,848.45 : 1,823,989.59 = 740,937.51 : x
  2. Step 2: Convert to fraction form
    1,321,848.45/1,823,989.59 = 740,937.51/x
  3. Step 3: Cross multiply
    1,321,848.45x = 1,823,989.59 × 740,937.51
  4. Step 4: Simplify right side
    1,321,848.45x = 1,351,462,305,080.52
  5. Step 5: Solve for x
    x = 1,351,462,305,080.52/1,321,848.45
  6. Step 6: Final answer
    x = 1,022,403.37

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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.