Home / 1,216,403.30-1,824,413.40-406,781.48

Finding the Fourth Proportional to 1,216,403.30, 1,824,413.40 and 406,781.48

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Solution

The fourth proportional to 1,216,403.30, 1,824,413.40 and 406,781.48 is: 610,108.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,403.30 : 1,824,413.40 = 406,781.48 : x
  2. Step 2: Convert to fraction form
    1,216,403.30/1,824,413.40 = 406,781.48/x
  3. Step 3: Cross multiply
    1,216,403.30x = 1,824,413.40 × 406,781.48
  4. Step 4: Simplify right side
    1,216,403.30x = 742,137,587,544.87
  5. Step 5: Solve for x
    x = 742,137,587,544.87/1,216,403.30
  6. Step 6: Final answer
    x = 610,108.17

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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.