Home / 1,110,636.80-1,666,732.80-480,003.20

Finding the Fourth Proportional to 1,110,636.80, 1,666,732.80 and 480,003.20

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Solution

The fourth proportional to 1,110,636.80, 1,666,732.80 and 480,003.20 is: 720,340.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,636.80 : 1,666,732.80 = 480,003.20 : x
  2. Step 2: Convert to fraction form
    1,110,636.80/1,666,732.80 = 480,003.20/x
  3. Step 3: Cross multiply
    1,110,636.80x = 1,666,732.80 × 480,003.20
  4. Step 4: Simplify right side
    1,110,636.80x = 800,037,077,544.96
  5. Step 5: Solve for x
    x = 800,037,077,544.96/1,110,636.80
  6. Step 6: Final answer
    x = 720,340.87

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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.