Home / 1,128,059.92-1,555,842.90-698,578.48

Finding the Fourth Proportional to 1,128,059.92, 1,555,842.90 and 698,578.48

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Solution

The fourth proportional to 1,128,059.92, 1,555,842.90 and 698,578.48 is: 963,493.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,059.92 : 1,555,842.90 = 698,578.48 : x
  2. Step 2: Convert to fraction form
    1,128,059.92/1,555,842.90 = 698,578.48/x
  3. Step 3: Cross multiply
    1,128,059.92x = 1,555,842.90 × 698,578.48
  4. Step 4: Simplify right side
    1,128,059.92x = 1,086,878,368,200.79
  5. Step 5: Solve for x
    x = 1,086,878,368,200.79/1,128,059.92
  6. Step 6: Final answer
    x = 963,493.47

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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.