Home / 1,556,174.84-2,147,478.48-867,867.64

Finding the Fourth Proportional to 1,556,174.84, 2,147,478.48 and 867,867.64

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Solution

The fourth proportional to 1,556,174.84, 2,147,478.48 and 867,867.64 is: 1,197,633.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,174.84 : 2,147,478.48 = 867,867.64 : x
  2. Step 2: Convert to fraction form
    1,556,174.84/2,147,478.48 = 867,867.64/x
  3. Step 3: Cross multiply
    1,556,174.84x = 2,147,478.48 × 867,867.64
  4. Step 4: Simplify right side
    1,556,174.84x = 1,863,727,080,388.39
  5. Step 5: Solve for x
    x = 1,863,727,080,388.39/1,556,174.84
  6. Step 6: Final answer
    x = 1,197,633.47

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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.