Home / 1,521,984.96-2,100,457.44-842,984.64

Finding the Fourth Proportional to 1,521,984.96, 2,100,457.44 and 842,984.64

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Solution

The fourth proportional to 1,521,984.96, 2,100,457.44 and 842,984.64 is: 1,163,384.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,984.96 : 2,100,457.44 = 842,984.64 : x
  2. Step 2: Convert to fraction form
    1,521,984.96/2,100,457.44 = 842,984.64/x
  3. Step 3: Cross multiply
    1,521,984.96x = 2,100,457.44 × 842,984.64
  4. Step 4: Simplify right side
    1,521,984.96x = 1,770,653,358,893.72
  5. Step 5: Solve for x
    x = 1,770,653,358,893.72/1,521,984.96
  6. Step 6: Final answer
    x = 1,163,384.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.