Home / 993,915.20-1,490,872.80-883,690.40

Finding the Fourth Proportional to 993,915.20, 1,490,872.80 and 883,690.40

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Solution

The fourth proportional to 993,915.20, 1,490,872.80 and 883,690.40 is: 1,325,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,915.20 : 1,490,872.80 = 883,690.40 : x
  2. Step 2: Convert to fraction form
    993,915.20/1,490,872.80 = 883,690.40/x
  3. Step 3: Cross multiply
    993,915.20x = 1,490,872.80 × 883,690.40
  4. Step 4: Simplify right side
    993,915.20x = 1,317,469,980,981.12
  5. Step 5: Solve for x
    x = 1,317,469,980,981.12/993,915.20
  6. Step 6: Final answer
    x = 1,325,535.60

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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.