Home / 1,178,871.48-1,768,652.28-380,136.96

Finding the Fourth Proportional to 1,178,871.48, 1,768,652.28 and 380,136.96

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Solution

The fourth proportional to 1,178,871.48, 1,768,652.28 and 380,136.96 is: 570,316.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,871.48 : 1,768,652.28 = 380,136.96 : x
  2. Step 2: Convert to fraction form
    1,178,871.48/1,768,652.28 = 380,136.96/x
  3. Step 3: Cross multiply
    1,178,871.48x = 1,768,652.28 × 380,136.96
  4. Step 4: Simplify right side
    1,178,871.48x = 672,330,101,016.27
  5. Step 5: Solve for x
    x = 672,330,101,016.27/1,178,871.48
  6. Step 6: Final answer
    x = 570,316.71

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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.