Home / 1,354,081.40-2,030,538.90-679,902.20

Finding the Fourth Proportional to 1,354,081.40, 2,030,538.90 and 679,902.20

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Solution

The fourth proportional to 1,354,081.40, 2,030,538.90 and 679,902.20 is: 1,019,560.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,081.40 : 2,030,538.90 = 679,902.20 : x
  2. Step 2: Convert to fraction form
    1,354,081.40/2,030,538.90 = 679,902.20/x
  3. Step 3: Cross multiply
    1,354,081.40x = 2,030,538.90 × 679,902.20
  4. Step 4: Simplify right side
    1,354,081.40x = 1,380,567,865,295.58
  5. Step 5: Solve for x
    x = 1,380,567,865,295.58/1,354,081.40
  6. Step 6: Final answer
    x = 1,019,560.47

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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.