Home / 1,308,762.76-1,963,168.74-410,184.60

Finding the Fourth Proportional to 1,308,762.76, 1,963,168.74 and 410,184.60

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Solution

The fourth proportional to 1,308,762.76, 1,963,168.74 and 410,184.60 is: 615,284.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,762.76 : 1,963,168.74 = 410,184.60 : x
  2. Step 2: Convert to fraction form
    1,308,762.76/1,963,168.74 = 410,184.60/x
  3. Step 3: Cross multiply
    1,308,762.76x = 1,963,168.74 × 410,184.60
  4. Step 4: Simplify right side
    1,308,762.76x = 805,261,584,349.40
  5. Step 5: Solve for x
    x = 805,261,584,349.40/1,308,762.76
  6. Step 6: Final answer
    x = 615,284.61

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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.