Home / 1,611,352.80-2,414,113.20-768,045.60

Finding the Fourth Proportional to 1,611,352.80, 2,414,113.20 and 768,045.60

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Solution

The fourth proportional to 1,611,352.80, 2,414,113.20 and 768,045.60 is: 1,150,678.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,352.80 : 2,414,113.20 = 768,045.60 : x
  2. Step 2: Convert to fraction form
    1,611,352.80/2,414,113.20 = 768,045.60/x
  3. Step 3: Cross multiply
    1,611,352.80x = 2,414,113.20 × 768,045.60
  4. Step 4: Simplify right side
    1,611,352.80x = 1,854,149,021,161.92
  5. Step 5: Solve for x
    x = 1,854,149,021,161.92/1,611,352.80
  6. Step 6: Final answer
    x = 1,150,678.50

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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.