Home / 1,445,633.32-2,168,556.51-380,668

Finding the Fourth Proportional to 1,445,633.32, 2,168,556.51 and 380,668

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Solution

The fourth proportional to 1,445,633.32, 2,168,556.51 and 380,668 is: 571,030.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,633.32 : 2,168,556.51 = 380,668 : x
  2. Step 2: Convert to fraction form
    1,445,633.32/2,168,556.51 = 380,668/x
  3. Step 3: Cross multiply
    1,445,633.32x = 2,168,556.51 × 380,668
  4. Step 4: Simplify right side
    1,445,633.32x = 825,500,069,548.68
  5. Step 5: Solve for x
    x = 825,500,069,548.68/1,445,633.32
  6. Step 6: Final answer
    x = 571,030.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.