Home / 1,100,531.51-1,650,867.89-380,942.60

Finding the Fourth Proportional to 1,100,531.51, 1,650,867.89 and 380,942.60

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Solution

The fourth proportional to 1,100,531.51, 1,650,867.89 and 380,942.60 is: 571,438.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,531.51 : 1,650,867.89 = 380,942.60 : x
  2. Step 2: Convert to fraction form
    1,100,531.51/1,650,867.89 = 380,942.60/x
  3. Step 3: Cross multiply
    1,100,531.51x = 1,650,867.89 × 380,942.60
  4. Step 4: Simplify right side
    1,100,531.51x = 628,885,896,114.06
  5. Step 5: Solve for x
    x = 628,885,896,114.06/1,100,531.51
  6. Step 6: Final answer
    x = 571,438.34

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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.