Home / 1,094,091.78-1,508,656.41-711,408.90

Finding the Fourth Proportional to 1,094,091.78, 1,508,656.41 and 711,408.90

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Solution

The fourth proportional to 1,094,091.78, 1,508,656.41 and 711,408.90 is: 980,970.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,091.78 : 1,508,656.41 = 711,408.90 : x
  2. Step 2: Convert to fraction form
    1,094,091.78/1,508,656.41 = 711,408.90/x
  3. Step 3: Cross multiply
    1,094,091.78x = 1,508,656.41 × 711,408.90
  4. Step 4: Simplify right side
    1,094,091.78x = 1,073,271,597,116.05
  5. Step 5: Solve for x
    x = 1,073,271,597,116.05/1,094,091.78
  6. Step 6: Final answer
    x = 980,970.35

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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.