Home / 1,309,447.58-1,964,254.42-410,924.78

Finding the Fourth Proportional to 1,309,447.58, 1,964,254.42 and 410,924.78

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Solution

The fourth proportional to 1,309,447.58, 1,964,254.42 and 410,924.78 is: 616,413.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,447.58 : 1,964,254.42 = 410,924.78 : x
  2. Step 2: Convert to fraction form
    1,309,447.58/1,964,254.42 = 410,924.78/x
  3. Step 3: Cross multiply
    1,309,447.58x = 1,964,254.42 × 410,924.78
  4. Step 4: Simplify right side
    1,309,447.58x = 807,160,815,402.53
  5. Step 5: Solve for x
    x = 807,160,815,402.53/1,309,447.58
  6. Step 6: Final answer
    x = 616,413.23

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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.