Home / 993,912.20-1,490,868.30-883,687.40

Finding the Fourth Proportional to 993,912.20, 1,490,868.30 and 883,687.40

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Solution

The fourth proportional to 993,912.20, 1,490,868.30 and 883,687.40 is: 1,325,531.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,912.20 : 1,490,868.30 = 883,687.40 : x
  2. Step 2: Convert to fraction form
    993,912.20/1,490,868.30 = 883,687.40/x
  3. Step 3: Cross multiply
    993,912.20x = 1,490,868.30 × 883,687.40
  4. Step 4: Simplify right side
    993,912.20x = 1,317,461,531,769.42
  5. Step 5: Solve for x
    x = 1,317,461,531,769.42/993,912.20
  6. Step 6: Final answer
    x = 1,325,531.10

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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.