Home / 989,065.20-1,483,597.80-670,200.60

Finding the Fourth Proportional to 989,065.20, 1,483,597.80 and 670,200.60

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Solution

The fourth proportional to 989,065.20, 1,483,597.80 and 670,200.60 is: 1,005,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,065.20 : 1,483,597.80 = 670,200.60 : x
  2. Step 2: Convert to fraction form
    989,065.20/1,483,597.80 = 670,200.60/x
  3. Step 3: Cross multiply
    989,065.20x = 1,483,597.80 × 670,200.60
  4. Step 4: Simplify right side
    989,065.20x = 994,308,135,718.68
  5. Step 5: Solve for x
    x = 994,308,135,718.68/989,065.20
  6. Step 6: Final answer
    x = 1,005,300.90

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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.