Home / 1,539,968.55-2,308,401.87-641,907.37

Finding the Fourth Proportional to 1,539,968.55, 2,308,401.87 and 641,907.37

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Solution

The fourth proportional to 1,539,968.55, 2,308,401.87 and 641,907.37 is: 962,214.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,968.55 : 2,308,401.87 = 641,907.37 : x
  2. Step 2: Convert to fraction form
    1,539,968.55/2,308,401.87 = 641,907.37/x
  3. Step 3: Cross multiply
    1,539,968.55x = 2,308,401.87 × 641,907.37
  4. Step 4: Simplify right side
    1,539,968.55x = 1,481,780,173,274.78
  5. Step 5: Solve for x
    x = 1,481,780,173,274.78/1,539,968.55
  6. Step 6: Final answer
    x = 962,214.57

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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.