Home / 987,065.20-1,480,597.80-668,200.60

Finding the Fourth Proportional to 987,065.20, 1,480,597.80 and 668,200.60

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Solution

The fourth proportional to 987,065.20, 1,480,597.80 and 668,200.60 is: 1,002,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,065.20 : 1,480,597.80 = 668,200.60 : x
  2. Step 2: Convert to fraction form
    987,065.20/1,480,597.80 = 668,200.60/x
  3. Step 3: Cross multiply
    987,065.20x = 1,480,597.80 × 668,200.60
  4. Step 4: Simplify right side
    987,065.20x = 989,336,338,318.68
  5. Step 5: Solve for x
    x = 989,336,338,318.68/987,065.20
  6. Step 6: Final answer
    x = 1,002,300.90

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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.