Home / 1,562,401-2,156,343.46-989,494.44

Finding the Fourth Proportional to 1,562,401, 2,156,343.46 and 989,494.44

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Solution

The fourth proportional to 1,562,401, 2,156,343.46 and 989,494.44 is: 1,365,648.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562,401 : 2,156,343.46 = 989,494.44 : x
  2. Step 2: Convert to fraction form
    1,562,401/2,156,343.46 = 989,494.44/x
  3. Step 3: Cross multiply
    1,562,401x = 2,156,343.46 × 989,494.44
  4. Step 4: Simplify right side
    1,562,401x = 2,133,689,864,400.36
  5. Step 5: Solve for x
    x = 2,133,689,864,400.36/1,562,401
  6. Step 6: Final answer
    x = 1,365,648.04

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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.