Home / 1,115,821.83-1,673,102.77-1,020,605.32

Finding the Fourth Proportional to 1,115,821.83, 1,673,102.77 and 1,020,605.32

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Solution

The fourth proportional to 1,115,821.83, 1,673,102.77 and 1,020,605.32 is: 1,530,331.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,821.83 : 1,673,102.77 = 1,020,605.32 : x
  2. Step 2: Convert to fraction form
    1,115,821.83/1,673,102.77 = 1,020,605.32/x
  3. Step 3: Cross multiply
    1,115,821.83x = 1,673,102.77 × 1,020,605.32
  4. Step 4: Simplify right side
    1,115,821.83x = 1,707,577,581,234.47
  5. Step 5: Solve for x
    x = 1,707,577,581,234.47/1,115,821.83
  6. Step 6: Final answer
    x = 1,530,331.76

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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.