Home / 1,045,112.45-1,567,383.94-286,774.13

Finding the Fourth Proportional to 1,045,112.45, 1,567,383.94 and 286,774.13

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Solution

The fourth proportional to 1,045,112.45, 1,567,383.94 and 286,774.13 is: 430,083.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,112.45 : 1,567,383.94 = 286,774.13 : x
  2. Step 2: Convert to fraction form
    1,045,112.45/1,567,383.94 = 286,774.13/x
  3. Step 3: Cross multiply
    1,045,112.45x = 1,567,383.94 × 286,774.13
  4. Step 4: Simplify right side
    1,045,112.45x = 449,485,173,057.09
  5. Step 5: Solve for x
    x = 449,485,173,057.09/1,045,112.45
  6. Step 6: Final answer
    x = 430,083.07

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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.