Home / 1,744,380.80-2,616,052.80-678,809.60

Finding the Fourth Proportional to 1,744,380.80, 2,616,052.80 and 678,809.60

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Solution

The fourth proportional to 1,744,380.80, 2,616,052.80 and 678,809.60 is: 1,018,012.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,744,380.80 : 2,616,052.80 = 678,809.60 : x
  2. Step 2: Convert to fraction form
    1,744,380.80/2,616,052.80 = 678,809.60/x
  3. Step 3: Cross multiply
    1,744,380.80x = 2,616,052.80 × 678,809.60
  4. Step 4: Simplify right side
    1,744,380.80x = 1,775,801,754,746.88
  5. Step 5: Solve for x
    x = 1,775,801,754,746.88/1,744,380.80
  6. Step 6: Final answer
    x = 1,018,012.67

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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.