Home / 1,181,256.21-1,771,826.40-328,322.16

Finding the Fourth Proportional to 1,181,256.21, 1,771,826.40 and 328,322.16

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Solution

The fourth proportional to 1,181,256.21, 1,771,826.40 and 328,322.16 is: 492,467.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,256.21 : 1,771,826.40 = 328,322.16 : x
  2. Step 2: Convert to fraction form
    1,181,256.21/1,771,826.40 = 328,322.16/x
  3. Step 3: Cross multiply
    1,181,256.21x = 1,771,826.40 × 328,322.16
  4. Step 4: Simplify right side
    1,181,256.21x = 581,729,870,793.02
  5. Step 5: Solve for x
    x = 581,729,870,793.02/1,181,256.21
  6. Step 6: Final answer
    x = 492,467.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.