Home / 2,657,959.40-3,987,330.30-860,245.40

Finding the Fourth Proportional to 2,657,959.40, 3,987,330.30 and 860,245.40

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Solution

The fourth proportional to 2,657,959.40, 3,987,330.30 and 860,245.40 is: 1,290,494.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,959.40 : 3,987,330.30 = 860,245.40 : x
  2. Step 2: Convert to fraction form
    2,657,959.40/3,987,330.30 = 860,245.40/x
  3. Step 3: Cross multiply
    2,657,959.40x = 3,987,330.30 × 860,245.40
  4. Step 4: Simplify right side
    2,657,959.40x = 3,430,082,548,855.62
  5. Step 5: Solve for x
    x = 3,430,082,548,855.62/2,657,959.40
  6. Step 6: Final answer
    x = 1,290,494.71

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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.