Home / 1,007,276.60-1,511,182.20-438,413.60

Finding the Fourth Proportional to 1,007,276.60, 1,511,182.20 and 438,413.60

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Solution

The fourth proportional to 1,007,276.60, 1,511,182.20 and 438,413.60 is: 657,736.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,276.60 : 1,511,182.20 = 438,413.60 : x
  2. Step 2: Convert to fraction form
    1,007,276.60/1,511,182.20 = 438,413.60/x
  3. Step 3: Cross multiply
    1,007,276.60x = 1,511,182.20 × 438,413.60
  4. Step 4: Simplify right side
    1,007,276.60x = 662,522,828,557.92
  5. Step 5: Solve for x
    x = 662,522,828,557.92/1,007,276.60
  6. Step 6: Final answer
    x = 657,736.74

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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.