Home / 1,770,469.20-2,656,567.80-823,352.40

Finding the Fourth Proportional to 1,770,469.20, 2,656,567.80 and 823,352.40

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Solution

The fourth proportional to 1,770,469.20, 2,656,567.80 and 823,352.40 is: 1,235,430.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770,469.20 : 2,656,567.80 = 823,352.40 : x
  2. Step 2: Convert to fraction form
    1,770,469.20/2,656,567.80 = 823,352.40/x
  3. Step 3: Cross multiply
    1,770,469.20x = 2,656,567.80 × 823,352.40
  4. Step 4: Simplify right side
    1,770,469.20x = 2,187,291,473,892.72
  5. Step 5: Solve for x
    x = 2,187,291,473,892.72/1,770,469.20
  6. Step 6: Final answer
    x = 1,235,430.40

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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.