Home / 1,255,745.20-1,884,455.36-457,026.52

Finding the Fourth Proportional to 1,255,745.20, 1,884,455.36 and 457,026.52

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Solution

The fourth proportional to 1,255,745.20, 1,884,455.36 and 457,026.52 is: 685,844.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,745.20 : 1,884,455.36 = 457,026.52 : x
  2. Step 2: Convert to fraction form
    1,255,745.20/1,884,455.36 = 457,026.52/x
  3. Step 3: Cross multiply
    1,255,745.20x = 1,884,455.36 × 457,026.52
  4. Step 4: Simplify right side
    1,255,745.20x = 861,246,075,276.15
  5. Step 5: Solve for x
    x = 861,246,075,276.15/1,255,745.20
  6. Step 6: Final answer
    x = 685,844.61

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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.