Home / 1,308,894.21-1,963,365.62-410,315.85

Finding the Fourth Proportional to 1,308,894.21, 1,963,365.62 and 410,315.85

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Solution

The fourth proportional to 1,308,894.21, 1,963,365.62 and 410,315.85 is: 615,481.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,894.21 : 1,963,365.62 = 410,315.85 : x
  2. Step 2: Convert to fraction form
    1,308,894.21/1,963,365.62 = 410,315.85/x
  3. Step 3: Cross multiply
    1,308,894.21x = 1,963,365.62 × 410,315.85
  4. Step 4: Simplify right side
    1,308,894.21x = 805,600,031,179.50
  5. Step 5: Solve for x
    x = 805,600,031,179.50/1,308,894.21
  6. Step 6: Final answer
    x = 615,481.39

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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.