Home / 1,372,257.22-1,893,093.93-828,219.10

Finding the Fourth Proportional to 1,372,257.22, 1,893,093.93 and 828,219.10

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Solution

The fourth proportional to 1,372,257.22, 1,893,093.93 and 828,219.10 is: 1,142,567.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,257.22 : 1,893,093.93 = 828,219.10 : x
  2. Step 2: Convert to fraction form
    1,372,257.22/1,893,093.93 = 828,219.10/x
  3. Step 3: Cross multiply
    1,372,257.22x = 1,893,093.93 × 828,219.10
  4. Step 4: Simplify right side
    1,372,257.22x = 1,567,896,550,920.06
  5. Step 5: Solve for x
    x = 1,567,896,550,920.06/1,372,257.22
  6. Step 6: Final answer
    x = 1,142,567.54

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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.