Home / 1,258,881.88-1,888,789.38-585,324.76

Finding the Fourth Proportional to 1,258,881.88, 1,888,789.38 and 585,324.76

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Solution

The fourth proportional to 1,258,881.88, 1,888,789.38 and 585,324.76 is: 878,204.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,881.88 : 1,888,789.38 = 585,324.76 : x
  2. Step 2: Convert to fraction form
    1,258,881.88/1,888,789.38 = 585,324.76/x
  3. Step 3: Cross multiply
    1,258,881.88x = 1,888,789.38 × 585,324.76
  4. Step 4: Simplify right side
    1,258,881.88x = 1,105,555,190,539.05
  5. Step 5: Solve for x
    x = 1,105,555,190,539.05/1,258,881.88
  6. Step 6: Final answer
    x = 878,204.07

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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.