Home / 1,403,633.81-2,105,231.09-456,998.15

Finding the Fourth Proportional to 1,403,633.81, 2,105,231.09 and 456,998.15

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Solution

The fourth proportional to 1,403,633.81, 2,105,231.09 and 456,998.15 is: 685,425.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,633.81 : 2,105,231.09 = 456,998.15 : x
  2. Step 2: Convert to fraction form
    1,403,633.81/2,105,231.09 = 456,998.15/x
  3. Step 3: Cross multiply
    1,403,633.81x = 2,105,231.09 × 456,998.15
  4. Step 4: Simplify right side
    1,403,633.81x = 962,086,713,452.48
  5. Step 5: Solve for x
    x = 962,086,713,452.48/1,403,633.81
  6. Step 6: Final answer
    x = 685,425.72

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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.