Home / 1,008,020.10-1,512,297.45-439,157.10

Finding the Fourth Proportional to 1,008,020.10, 1,512,297.45 and 439,157.10

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Solution

The fourth proportional to 1,008,020.10, 1,512,297.45 and 439,157.10 is: 658,852.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,020.10 : 1,512,297.45 = 439,157.10 : x
  2. Step 2: Convert to fraction form
    1,008,020.10/1,512,297.45 = 439,157.10/x
  3. Step 3: Cross multiply
    1,008,020.10x = 1,512,297.45 × 439,157.10
  4. Step 4: Simplify right side
    1,008,020.10x = 664,136,162,479.40
  5. Step 5: Solve for x
    x = 664,136,162,479.40/1,008,020.10
  6. Step 6: Final answer
    x = 658,852.10

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Double scale
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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.