Home / 1,308,644.54-1,962,963.84-410,154.74

Finding the Fourth Proportional to 1,308,644.54, 1,962,963.84 and 410,154.74

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Solution

The fourth proportional to 1,308,644.54, 1,962,963.84 and 410,154.74 is: 615,231.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,644.54 : 1,962,963.84 = 410,154.74 : x
  2. Step 2: Convert to fraction form
    1,308,644.54/1,962,963.84 = 410,154.74/x
  3. Step 3: Cross multiply
    1,308,644.54x = 1,962,963.84 × 410,154.74
  4. Step 4: Simplify right side
    1,308,644.54x = 805,118,923,424.60
  5. Step 5: Solve for x
    x = 805,118,923,424.60/1,308,644.54
  6. Step 6: Final answer
    x = 615,231.18

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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.