Home / 1,119,879.72-1,678,823.82-436,609.08

Finding the Fourth Proportional to 1,119,879.72, 1,678,823.82 and 436,609.08

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Solution

The fourth proportional to 1,119,879.72, 1,678,823.82 and 436,609.08 is: 654,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,879.72 : 1,678,823.82 = 436,609.08 : x
  2. Step 2: Convert to fraction form
    1,119,879.72/1,678,823.82 = 436,609.08/x
  3. Step 3: Cross multiply
    1,119,879.72x = 1,678,823.82 × 436,609.08
  4. Step 4: Simplify right side
    1,119,879.72x = 732,989,723,532.29
  5. Step 5: Solve for x
    x = 732,989,723,532.29/1,119,879.72
  6. Step 6: Final answer
    x = 654,525.40

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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.