Home / 1,348,944.36-1,860,661.71-864,742.56

Finding the Fourth Proportional to 1,348,944.36, 1,860,661.71 and 864,742.56

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Solution

The fourth proportional to 1,348,944.36, 1,860,661.71 and 864,742.56 is: 1,192,779.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,944.36 : 1,860,661.71 = 864,742.56 : x
  2. Step 2: Convert to fraction form
    1,348,944.36/1,860,661.71 = 864,742.56/x
  3. Step 3: Cross multiply
    1,348,944.36x = 1,860,661.71 × 864,742.56
  4. Step 4: Simplify right side
    1,348,944.36x = 1,608,993,370,399.38
  5. Step 5: Solve for x
    x = 1,608,993,370,399.38/1,348,944.36
  6. Step 6: Final answer
    x = 1,192,779.64

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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.