Home / 1,322,518.32-1,823,385.92-856,549.08

Finding the Fourth Proportional to 1,322,518.32, 1,823,385.92 and 856,549.08

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Solution

The fourth proportional to 1,322,518.32, 1,823,385.92 and 856,549.08 is: 1,180,943.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,518.32 : 1,823,385.92 = 856,549.08 : x
  2. Step 2: Convert to fraction form
    1,322,518.32/1,823,385.92 = 856,549.08/x
  3. Step 3: Cross multiply
    1,322,518.32x = 1,823,385.92 × 856,549.08
  4. Step 4: Simplify right side
    1,322,518.32x = 1,561,819,532,260.95
  5. Step 5: Solve for x
    x = 1,561,819,532,260.95/1,322,518.32
  6. Step 6: Final answer
    x = 1,180,943.59

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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.