Home / 1,081,595.91-1,621,249.77-407,385.50

Finding the Fourth Proportional to 1,081,595.91, 1,621,249.77 and 407,385.50

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Solution

The fourth proportional to 1,081,595.91, 1,621,249.77 and 407,385.50 is: 610,647.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,595.91 : 1,621,249.77 = 407,385.50 : x
  2. Step 2: Convert to fraction form
    1,081,595.91/1,621,249.77 = 407,385.50/x
  3. Step 3: Cross multiply
    1,081,595.91x = 1,621,249.77 × 407,385.50
  4. Step 4: Simplify right side
    1,081,595.91x = 660,473,648,176.34
  5. Step 5: Solve for x
    x = 660,473,648,176.34/1,081,595.91
  6. Step 6: Final answer
    x = 610,647.33

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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.