Home / 1,005,167.15-1,507,750.73-445,295.15

Finding the Fourth Proportional to 1,005,167.15, 1,507,750.73 and 445,295.15

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Solution

The fourth proportional to 1,005,167.15, 1,507,750.73 and 445,295.15 is: 667,942.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,167.15 : 1,507,750.73 = 445,295.15 : x
  2. Step 2: Convert to fraction form
    1,005,167.15/1,507,750.73 = 445,295.15/x
  3. Step 3: Cross multiply
    1,005,167.15x = 1,507,750.73 × 445,295.15
  4. Step 4: Simplify right side
    1,005,167.15x = 671,394,085,251.48
  5. Step 5: Solve for x
    x = 671,394,085,251.48/1,005,167.15
  6. Step 6: Final answer
    x = 667,942.73

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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.