Home / 1,792,892.80-2,690,870.10-728,698.60

Finding the Fourth Proportional to 1,792,892.80, 2,690,870.10 and 728,698.60

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Solution

The fourth proportional to 1,792,892.80, 2,690,870.10 and 728,698.60 is: 1,093,670.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,892.80 : 2,690,870.10 = 728,698.60 : x
  2. Step 2: Convert to fraction form
    1,792,892.80/2,690,870.10 = 728,698.60/x
  3. Step 3: Cross multiply
    1,792,892.80x = 2,690,870.10 × 728,698.60
  4. Step 4: Simplify right side
    1,792,892.80x = 1,960,833,274,651.86
  5. Step 5: Solve for x
    x = 1,960,833,274,651.86/1,792,892.80
  6. Step 6: Final answer
    x = 1,093,670.11

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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.