Home / 1,367,657.60-1,887,439.74-823,964.54

Finding the Fourth Proportional to 1,367,657.60, 1,887,439.74 and 823,964.54

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Solution

The fourth proportional to 1,367,657.60, 1,887,439.74 and 823,964.54 is: 1,137,114.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,657.60 : 1,887,439.74 = 823,964.54 : x
  2. Step 2: Convert to fraction form
    1,367,657.60/1,887,439.74 = 823,964.54/x
  3. Step 3: Cross multiply
    1,367,657.60x = 1,887,439.74 × 823,964.54
  4. Step 4: Simplify right side
    1,367,657.60x = 1,555,183,417,146.82
  5. Step 5: Solve for x
    x = 1,555,183,417,146.82/1,367,657.60
  6. Step 6: Final answer
    x = 1,137,114.59

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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.