Home / 969,984.40-1,454,976.60-900,000.40

Finding the Fourth Proportional to 969,984.40, 1,454,976.60 and 900,000.40

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Solution

The fourth proportional to 969,984.40, 1,454,976.60 and 900,000.40 is: 1,350,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,984.40 : 1,454,976.60 = 900,000.40 : x
  2. Step 2: Convert to fraction form
    969,984.40/1,454,976.60 = 900,000.40/x
  3. Step 3: Cross multiply
    969,984.40x = 1,454,976.60 × 900,000.40
  4. Step 4: Simplify right side
    969,984.40x = 1,309,479,521,990.64
  5. Step 5: Solve for x
    x = 1,309,479,521,990.64/969,984.40
  6. Step 6: Final answer
    x = 1,350,000.60

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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.