Home / 997,720.80-1,496,581.20-698,539.20

Finding the Fourth Proportional to 997,720.80, 1,496,581.20 and 698,539.20

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Solution

The fourth proportional to 997,720.80, 1,496,581.20 and 698,539.20 is: 1,047,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,720.80 : 1,496,581.20 = 698,539.20 : x
  2. Step 2: Convert to fraction form
    997,720.80/1,496,581.20 = 698,539.20/x
  3. Step 3: Cross multiply
    997,720.80x = 1,496,581.20 × 698,539.20
  4. Step 4: Simplify right side
    997,720.80x = 1,045,420,634,183.04
  5. Step 5: Solve for x
    x = 1,045,420,634,183.04/997,720.80
  6. Step 6: Final answer
    x = 1,047,808.80

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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.