Home / 1,399,405.08-2,099,413.26-452,871.48

Finding the Fourth Proportional to 1,399,405.08, 2,099,413.26 and 452,871.48

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Solution

The fourth proportional to 1,399,405.08, 2,099,413.26 and 452,871.48 is: 679,406.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,405.08 : 2,099,413.26 = 452,871.48 : x
  2. Step 2: Convert to fraction form
    1,399,405.08/2,099,413.26 = 452,871.48/x
  3. Step 3: Cross multiply
    1,399,405.08x = 2,099,413.26 × 452,871.48
  4. Step 4: Simplify right side
    1,399,405.08x = 950,764,390,187.83
  5. Step 5: Solve for x
    x = 950,764,390,187.83/1,399,405.08
  6. Step 6: Final answer
    x = 679,406.13

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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.