Home / 1,333,682.20-1,999,055.58-658,764.28

Finding the Fourth Proportional to 1,333,682.20, 1,999,055.58 and 658,764.28

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Solution

The fourth proportional to 1,333,682.20, 1,999,055.58 and 658,764.28 is: 987,421.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,682.20 : 1,999,055.58 = 658,764.28 : x
  2. Step 2: Convert to fraction form
    1,333,682.20/1,999,055.58 = 658,764.28/x
  3. Step 3: Cross multiply
    1,333,682.20x = 1,999,055.58 × 658,764.28
  4. Step 4: Simplify right side
    1,333,682.20x = 1,316,906,409,838.68
  5. Step 5: Solve for x
    x = 1,316,906,409,838.68/1,333,682.20
  6. Step 6: Final answer
    x = 987,421.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.