Home / 1,248,742.13-1,722,094.67-828,895.43

Finding the Fourth Proportional to 1,248,742.13, 1,722,094.67 and 828,895.43

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Solution

The fourth proportional to 1,248,742.13, 1,722,094.67 and 828,895.43 is: 1,143,099.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,742.13 : 1,722,094.67 = 828,895.43 : x
  2. Step 2: Convert to fraction form
    1,248,742.13/1,722,094.67 = 828,895.43/x
  3. Step 3: Cross multiply
    1,248,742.13x = 1,722,094.67 × 828,895.43
  4. Step 4: Simplify right side
    1,248,742.13x = 1,427,436,389,235.41
  5. Step 5: Solve for x
    x = 1,427,436,389,235.41/1,248,742.13
  6. Step 6: Final answer
    x = 1,143,099.41

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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.