Home / 1,393,217.17-2,089,865.72-382,347.50

Finding the Fourth Proportional to 1,393,217.17, 2,089,865.72 and 382,347.50

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Solution

The fourth proportional to 1,393,217.17, 2,089,865.72 and 382,347.50 is: 573,532.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,217.17 : 2,089,865.72 = 382,347.50 : x
  2. Step 2: Convert to fraction form
    1,393,217.17/2,089,865.72 = 382,347.50/x
  3. Step 3: Cross multiply
    1,393,217.17x = 2,089,865.72 × 382,347.50
  4. Step 4: Simplify right side
    1,393,217.17x = 799,054,923,884.24
  5. Step 5: Solve for x
    x = 799,054,923,884.24/1,393,217.17
  6. Step 6: Final answer
    x = 573,532.21

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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.