Home / 1,418,826.60-1,958,022.32-774,288.41

Finding the Fourth Proportional to 1,418,826.60, 1,958,022.32 and 774,288.41

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Solution

The fourth proportional to 1,418,826.60, 1,958,022.32 and 774,288.41 is: 1,068,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,826.60 : 1,958,022.32 = 774,288.41 : x
  2. Step 2: Convert to fraction form
    1,418,826.60/1,958,022.32 = 774,288.41/x
  3. Step 3: Cross multiply
    1,418,826.60x = 1,958,022.32 × 774,288.41
  4. Step 4: Simplify right side
    1,418,826.60x = 1,516,073,975,235.76
  5. Step 5: Solve for x
    x = 1,516,073,975,235.76/1,418,826.60
  6. Step 6: Final answer
    x = 1,068,540.70

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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.