Home / 1,201,752.80-1,811,064.77-1,081,929.50

Finding the Fourth Proportional to 1,201,752.80, 1,811,064.77 and 1,081,929.50

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Solution

The fourth proportional to 1,201,752.80, 1,811,064.77 and 1,081,929.50 is: 1,630,488.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,752.80 : 1,811,064.77 = 1,081,929.50 : x
  2. Step 2: Convert to fraction form
    1,201,752.80/1,811,064.77 = 1,081,929.50/x
  3. Step 3: Cross multiply
    1,201,752.80x = 1,811,064.77 × 1,081,929.50
  4. Step 4: Simplify right side
    1,201,752.80x = 1,959,444,401,073.72
  5. Step 5: Solve for x
    x = 1,959,444,401,073.72/1,201,752.80
  6. Step 6: Final answer
    x = 1,630,488.73

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.