Home / 1,385,852.28-2,078,836.92-439,202.04

Finding the Fourth Proportional to 1,385,852.28, 2,078,836.92 and 439,202.04

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Solution

The fourth proportional to 1,385,852.28, 2,078,836.92 and 439,202.04 is: 658,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,852.28 : 2,078,836.92 = 439,202.04 : x
  2. Step 2: Convert to fraction form
    1,385,852.28/2,078,836.92 = 439,202.04/x
  3. Step 3: Cross multiply
    1,385,852.28x = 2,078,836.92 × 439,202.04
  4. Step 4: Simplify right side
    1,385,852.28x = 913,029,416,091.32
  5. Step 5: Solve for x
    x = 913,029,416,091.32/1,385,852.28
  6. Step 6: Final answer
    x = 658,821.60

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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.