Home / 1,142,340.84-1,711,641.96-691,696.80

Finding the Fourth Proportional to 1,142,340.84, 1,711,641.96 and 691,696.80

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Solution

The fourth proportional to 1,142,340.84, 1,711,641.96 and 691,696.80 is: 1,036,413.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,340.84 : 1,711,641.96 = 691,696.80 : x
  2. Step 2: Convert to fraction form
    1,142,340.84/1,711,641.96 = 691,696.80/x
  3. Step 3: Cross multiply
    1,142,340.84x = 1,711,641.96 × 691,696.80
  4. Step 4: Simplify right side
    1,142,340.84x = 1,183,937,266,477.73
  5. Step 5: Solve for x
    x = 1,183,937,266,477.73/1,142,340.84
  6. Step 6: Final answer
    x = 1,036,413.32

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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.