Home / 1,179,045.10-1,768,912.05-380,308.96

Finding the Fourth Proportional to 1,179,045.10, 1,768,912.05 and 380,308.96

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Solution

The fourth proportional to 1,179,045.10, 1,768,912.05 and 380,308.96 is: 570,574.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,045.10 : 1,768,912.05 = 380,308.96 : x
  2. Step 2: Convert to fraction form
    1,179,045.10/1,768,912.05 = 380,308.96/x
  3. Step 3: Cross multiply
    1,179,045.10x = 1,768,912.05 × 380,308.96
  4. Step 4: Simplify right side
    1,179,045.10x = 672,733,102,066.97
  5. Step 5: Solve for x
    x = 672,733,102,066.97/1,179,045.10
  6. Step 6: Final answer
    x = 570,574.53

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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.