Home / 1,245,110.14-1,718,374.22-728,832.95

Finding the Fourth Proportional to 1,245,110.14, 1,718,374.22 and 728,832.95

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Solution

The fourth proportional to 1,245,110.14, 1,718,374.22 and 728,832.95 is: 1,005,861.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,110.14 : 1,718,374.22 = 728,832.95 : x
  2. Step 2: Convert to fraction form
    1,245,110.14/1,718,374.22 = 728,832.95/x
  3. Step 3: Cross multiply
    1,245,110.14x = 1,718,374.22 × 728,832.95
  4. Step 4: Simplify right side
    1,245,110.14x = 1,252,407,739,730.51
  5. Step 5: Solve for x
    x = 1,252,407,739,730.51/1,245,110.14
  6. Step 6: Final answer
    x = 1,005,861.01

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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.