Home / 1,077,107.90-1,615,656.98-278,321.54

Finding the Fourth Proportional to 1,077,107.90, 1,615,656.98 and 278,321.54

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Solution

The fourth proportional to 1,077,107.90, 1,615,656.98 and 278,321.54 is: 417,481.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,107.90 : 1,615,656.98 = 278,321.54 : x
  2. Step 2: Convert to fraction form
    1,077,107.90/1,615,656.98 = 278,321.54/x
  3. Step 3: Cross multiply
    1,077,107.90x = 1,615,656.98 × 278,321.54
  4. Step 4: Simplify right side
    1,077,107.90x = 449,672,131,402.87
  5. Step 5: Solve for x
    x = 449,672,131,402.87/1,077,107.90
  6. Step 6: Final answer
    x = 417,481.05

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1.5x scale

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.