Home / 989,082.20-1,483,623.30-670,217.60

Finding the Fourth Proportional to 989,082.20, 1,483,623.30 and 670,217.60

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Solution

The fourth proportional to 989,082.20, 1,483,623.30 and 670,217.60 is: 1,005,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,082.20 : 1,483,623.30 = 670,217.60 : x
  2. Step 2: Convert to fraction form
    989,082.20/1,483,623.30 = 670,217.60/x
  3. Step 3: Cross multiply
    989,082.20x = 1,483,623.30 × 670,217.60
  4. Step 4: Simplify right side
    989,082.20x = 994,350,447,430.08
  5. Step 5: Solve for x
    x = 994,350,447,430.08/989,082.20
  6. Step 6: Final answer
    x = 1,005,326.40

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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.