Home / 1,005,108.12-1,507,649.40-295,110.72

Finding the Fourth Proportional to 1,005,108.12, 1,507,649.40 and 295,110.72

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Solution

The fourth proportional to 1,005,108.12, 1,507,649.40 and 295,110.72 is: 442,662.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,108.12 : 1,507,649.40 = 295,110.72 : x
  2. Step 2: Convert to fraction form
    1,005,108.12/1,507,649.40 = 295,110.72/x
  3. Step 3: Cross multiply
    1,005,108.12x = 1,507,649.40 × 295,110.72
  4. Step 4: Simplify right side
    1,005,108.12x = 444,923,499,941.57
  5. Step 5: Solve for x
    x = 444,923,499,941.57/1,005,108.12
  6. Step 6: Final answer
    x = 442,662.33

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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.