Home / 1,199,547.12-1,799,413.68-400,831.54

Finding the Fourth Proportional to 1,199,547.12, 1,799,413.68 and 400,831.54

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Solution

The fourth proportional to 1,199,547.12, 1,799,413.68 and 400,831.54 is: 601,278.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,547.12 : 1,799,413.68 = 400,831.54 : x
  2. Step 2: Convert to fraction form
    1,199,547.12/1,799,413.68 = 400,831.54/x
  3. Step 3: Cross multiply
    1,199,547.12x = 1,799,413.68 × 400,831.54
  4. Step 4: Simplify right side
    1,199,547.12x = 721,261,753,456.05
  5. Step 5: Solve for x
    x = 721,261,753,456.05/1,199,547.12
  6. Step 6: Final answer
    x = 601,278.38

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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.