Home / 1,292,739.77-1,939,995.39-451,291.52

Finding the Fourth Proportional to 1,292,739.77, 1,939,995.39 and 451,291.52

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Solution

The fourth proportional to 1,292,739.77, 1,939,995.39 and 451,291.52 is: 677,246.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,739.77 : 1,939,995.39 = 451,291.52 : x
  2. Step 2: Convert to fraction form
    1,292,739.77/1,939,995.39 = 451,291.52/x
  3. Step 3: Cross multiply
    1,292,739.77x = 1,939,995.39 × 451,291.52
  4. Step 4: Simplify right side
    1,292,739.77x = 875,503,468,346.09
  5. Step 5: Solve for x
    x = 875,503,468,346.09/1,292,739.77
  6. Step 6: Final answer
    x = 677,246.49

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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.