Home / 1,045,404.60-1,568,106.90-485,532.60

Finding the Fourth Proportional to 1,045,404.60, 1,568,106.90 and 485,532.60

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Solution

The fourth proportional to 1,045,404.60, 1,568,106.90 and 485,532.60 is: 728,298.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,404.60 : 1,568,106.90 = 485,532.60 : x
  2. Step 2: Convert to fraction form
    1,045,404.60/1,568,106.90 = 485,532.60/x
  3. Step 3: Cross multiply
    1,045,404.60x = 1,568,106.90 × 485,532.60
  4. Step 4: Simplify right side
    1,045,404.60x = 761,367,020,234.94
  5. Step 5: Solve for x
    x = 761,367,020,234.94/1,045,404.60
  6. Step 6: Final answer
    x = 728,298.90

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Double scale
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Similar ratio
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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.