Home / 1,008,876.51-1,392,258.92-556,183.71

Finding the Fourth Proportional to 1,008,876.51, 1,392,258.92 and 556,183.71

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Solution

The fourth proportional to 1,008,876.51, 1,392,258.92 and 556,183.71 is: 767,538.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,876.51 : 1,392,258.92 = 556,183.71 : x
  2. Step 2: Convert to fraction form
    1,008,876.51/1,392,258.92 = 556,183.71/x
  3. Step 3: Cross multiply
    1,008,876.51x = 1,392,258.92 × 556,183.71
  4. Step 4: Simplify right side
    1,008,876.51x = 774,351,728,625.28
  5. Step 5: Solve for x
    x = 774,351,728,625.28/1,008,876.51
  6. Step 6: Final answer
    x = 767,538.66

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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.