Home / 1,105,653.37-1,658,489.26-306,997.20

Finding the Fourth Proportional to 1,105,653.37, 1,658,489.26 and 306,997.20

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Solution

The fourth proportional to 1,105,653.37, 1,658,489.26 and 306,997.20 is: 460,498.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,653.37 : 1,658,489.26 = 306,997.20 : x
  2. Step 2: Convert to fraction form
    1,105,653.37/1,658,489.26 = 306,997.20/x
  3. Step 3: Cross multiply
    1,105,653.37x = 1,658,489.26 × 306,997.20
  4. Step 4: Simplify right side
    1,105,653.37x = 509,151,559,050.07
  5. Step 5: Solve for x
    x = 509,151,559,050.07/1,105,653.37
  6. Step 6: Final answer
    x = 460,498.36

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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.