Home / 777,725.40-1,166,588.10-684,413.40

Finding the Fourth Proportional to 777,725.40, 1,166,588.10 and 684,413.40

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Solution

The fourth proportional to 777,725.40, 1,166,588.10 and 684,413.40 is: 1,026,620.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,725.40 : 1,166,588.10 = 684,413.40 : x
  2. Step 2: Convert to fraction form
    777,725.40/1,166,588.10 = 684,413.40/x
  3. Step 3: Cross multiply
    777,725.40x = 1,166,588.10 × 684,413.40
  4. Step 4: Simplify right side
    777,725.40x = 798,428,527,920.54
  5. Step 5: Solve for x
    x = 798,428,527,920.54/777,725.40
  6. Step 6: Final answer
    x = 1,026,620.10

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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.