Home / 1,302,739.12-1,951,221.48-1,000,998.64

Finding the Fourth Proportional to 1,302,739.12, 1,951,221.48 and 1,000,998.64

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Solution

The fourth proportional to 1,302,739.12, 1,951,221.48 and 1,000,998.64 is: 1,499,279.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,739.12 : 1,951,221.48 = 1,000,998.64 : x
  2. Step 2: Convert to fraction form
    1,302,739.12/1,951,221.48 = 1,000,998.64/x
  3. Step 3: Cross multiply
    1,302,739.12x = 1,951,221.48 × 1,000,998.64
  4. Step 4: Simplify right side
    1,302,739.12x = 1,953,170,047,818.79
  5. Step 5: Solve for x
    x = 1,953,170,047,818.79/1,302,739.12
  6. Step 6: Final answer
    x = 1,499,279.49

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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.