Home / 1,026,968.81-1,540,593.34-427,789.84

Finding the Fourth Proportional to 1,026,968.81, 1,540,593.34 and 427,789.84

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Solution

The fourth proportional to 1,026,968.81, 1,540,593.34 and 427,789.84 is: 641,743.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,968.81 : 1,540,593.34 = 427,789.84 : x
  2. Step 2: Convert to fraction form
    1,026,968.81/1,540,593.34 = 427,789.84/x
  3. Step 3: Cross multiply
    1,026,968.81x = 1,540,593.34 × 427,789.84
  4. Step 4: Simplify right side
    1,026,968.81x = 659,050,184,134.46
  5. Step 5: Solve for x
    x = 659,050,184,134.46/1,026,968.81
  6. Step 6: Final answer
    x = 641,743.13

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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.