Home / 1,486,857.69-2,230,288.30-407,379.44

Finding the Fourth Proportional to 1,486,857.69, 2,230,288.30 and 407,379.44

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Solution

The fourth proportional to 1,486,857.69, 2,230,288.30 and 407,379.44 is: 611,069.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,857.69 : 2,230,288.30 = 407,379.44 : x
  2. Step 2: Convert to fraction form
    1,486,857.69/2,230,288.30 = 407,379.44/x
  3. Step 3: Cross multiply
    1,486,857.69x = 2,230,288.30 × 407,379.44
  4. Step 4: Simplify right side
    1,486,857.69x = 908,573,596,800.69
  5. Step 5: Solve for x
    x = 908,573,596,800.69/1,486,857.69
  6. Step 6: Final answer
    x = 611,069.64

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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.