Home / 1,008,119.10-1,512,178.65-649,396.43

Finding the Fourth Proportional to 1,008,119.10, 1,512,178.65 and 649,396.43

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Solution

The fourth proportional to 1,008,119.10, 1,512,178.65 and 649,396.43 is: 974,094.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,119.10 : 1,512,178.65 = 649,396.43 : x
  2. Step 2: Convert to fraction form
    1,008,119.10/1,512,178.65 = 649,396.43/x
  3. Step 3: Cross multiply
    1,008,119.10x = 1,512,178.65 × 649,396.43
  4. Step 4: Simplify right side
    1,008,119.10x = 982,003,409,271.33
  5. Step 5: Solve for x
    x = 982,003,409,271.33/1,008,119.10
  6. Step 6: Final answer
    x = 974,094.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.