Home / 1,355,999.10-2,033,998.65-345,119.10

Finding the Fourth Proportional to 1,355,999.10, 2,033,998.65 and 345,119.10

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Solution

The fourth proportional to 1,355,999.10, 2,033,998.65 and 345,119.10 is: 517,678.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,999.10 : 2,033,998.65 = 345,119.10 : x
  2. Step 2: Convert to fraction form
    1,355,999.10/2,033,998.65 = 345,119.10/x
  3. Step 3: Cross multiply
    1,355,999.10x = 2,033,998.65 × 345,119.10
  4. Step 4: Simplify right side
    1,355,999.10x = 701,971,783,489.22
  5. Step 5: Solve for x
    x = 701,971,783,489.22/1,355,999.10
  6. Step 6: Final answer
    x = 517,678.65

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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.