Home / 1,313,068.42-1,968,863.86-414,342.64

Finding the Fourth Proportional to 1,313,068.42, 1,968,863.86 and 414,342.64

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Solution

The fourth proportional to 1,313,068.42, 1,968,863.86 and 414,342.64 is: 621,280.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,068.42 : 1,968,863.86 = 414,342.64 : x
  2. Step 2: Convert to fraction form
    1,313,068.42/1,968,863.86 = 414,342.64/x
  3. Step 3: Cross multiply
    1,313,068.42x = 1,968,863.86 × 414,342.64
  4. Step 4: Simplify right side
    1,313,068.42x = 815,784,249,552.99
  5. Step 5: Solve for x
    x = 815,784,249,552.99/1,313,068.42
  6. Step 6: Final answer
    x = 621,280.84

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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.