Home / 1,079,009.10-1,618,742.88-320,852.34

Finding the Fourth Proportional to 1,079,009.10, 1,618,742.88 and 320,852.34

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Solution

The fourth proportional to 1,079,009.10, 1,618,742.88 and 320,852.34 is: 481,346.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,009.10 : 1,618,742.88 = 320,852.34 : x
  2. Step 2: Convert to fraction form
    1,079,009.10/1,618,742.88 = 320,852.34/x
  3. Step 3: Cross multiply
    1,079,009.10x = 1,618,742.88 × 320,852.34
  4. Step 4: Simplify right side
    1,079,009.10x = 519,377,440,906.34
  5. Step 5: Solve for x
    x = 519,377,440,906.34/1,079,009.10
  6. Step 6: Final answer
    x = 481,346.67

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1.5x scale

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.