Home / 1,054,451.25-1,455,169.77-646,778.34

Finding the Fourth Proportional to 1,054,451.25, 1,455,169.77 and 646,778.34

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Solution

The fourth proportional to 1,054,451.25, 1,455,169.77 and 646,778.34 is: 892,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,451.25 : 1,455,169.77 = 646,778.34 : x
  2. Step 2: Convert to fraction form
    1,054,451.25/1,455,169.77 = 646,778.34/x
  3. Step 3: Cross multiply
    1,054,451.25x = 1,455,169.77 × 646,778.34
  4. Step 4: Simplify right side
    1,054,451.25x = 941,172,288,258.78
  5. Step 5: Solve for x
    x = 941,172,288,258.78/1,054,451.25
  6. Step 6: Final answer
    x = 892,570.70

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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.