Home / 1,119,540.90-1,678,316.83-436,269.58

Finding the Fourth Proportional to 1,119,540.90, 1,678,316.83 and 436,269.58

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Solution

The fourth proportional to 1,119,540.90, 1,678,316.83 and 436,269.58 is: 654,016.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,540.90 : 1,678,316.83 = 436,269.58 : x
  2. Step 2: Convert to fraction form
    1,119,540.90/1,678,316.83 = 436,269.58/x
  3. Step 3: Cross multiply
    1,119,540.90x = 1,678,316.83 × 436,269.58
  4. Step 4: Simplify right side
    1,119,540.90x = 732,198,581,174.26
  5. Step 5: Solve for x
    x = 732,198,581,174.26/1,119,540.90
  6. Step 6: Final answer
    x = 654,016.82

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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.