Home / 1,000,928.09-1,381,380.12-571,273.11

Finding the Fourth Proportional to 1,000,928.09, 1,381,380.12 and 571,273.11

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Solution

The fourth proportional to 1,000,928.09, 1,381,380.12 and 571,273.11 is: 788,413.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,928.09 : 1,381,380.12 = 571,273.11 : x
  2. Step 2: Convert to fraction form
    1,000,928.09/1,381,380.12 = 571,273.11/x
  3. Step 3: Cross multiply
    1,000,928.09x = 1,381,380.12 × 571,273.11
  4. Step 4: Simplify right side
    1,000,928.09x = 789,145,317,244.57
  5. Step 5: Solve for x
    x = 789,145,317,244.57/1,000,928.09
  6. Step 6: Final answer
    x = 788,413.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.