Home / 1,285,885.69-1,774,579.86-734,649.60

Finding the Fourth Proportional to 1,285,885.69, 1,774,579.86 and 734,649.60

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Solution

The fourth proportional to 1,285,885.69, 1,774,579.86 and 734,649.60 is: 1,013,849.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,885.69 : 1,774,579.86 = 734,649.60 : x
  2. Step 2: Convert to fraction form
    1,285,885.69/1,774,579.86 = 734,649.60/x
  3. Step 3: Cross multiply
    1,285,885.69x = 1,774,579.86 × 734,649.60
  4. Step 4: Simplify right side
    1,285,885.69x = 1,303,694,384,317.06
  5. Step 5: Solve for x
    x = 1,303,694,384,317.06/1,285,885.69
  6. Step 6: Final answer
    x = 1,013,849.36

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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.