Home / 1,110,633.80-1,666,728.30-480,000.20

Finding the Fourth Proportional to 1,110,633.80, 1,666,728.30 and 480,000.20

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Solution

The fourth proportional to 1,110,633.80, 1,666,728.30 and 480,000.20 is: 720,336.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,633.80 : 1,666,728.30 = 480,000.20 : x
  2. Step 2: Convert to fraction form
    1,110,633.80/1,666,728.30 = 480,000.20/x
  3. Step 3: Cross multiply
    1,110,633.80x = 1,666,728.30 × 480,000.20
  4. Step 4: Simplify right side
    1,110,633.80x = 800,029,917,345.66
  5. Step 5: Solve for x
    x = 800,029,917,345.66/1,110,633.80
  6. Step 6: Final answer
    x = 720,336.37

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1.5x scale

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.