Home / 1,904,009.72-2,855,128.50-705,883.64

Finding the Fourth Proportional to 1,904,009.72, 2,855,128.50 and 705,883.64

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Solution

The fourth proportional to 1,904,009.72, 2,855,128.50 and 705,883.64 is: 1,058,496.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,009.72 : 2,855,128.50 = 705,883.64 : x
  2. Step 2: Convert to fraction form
    1,904,009.72/2,855,128.50 = 705,883.64/x
  3. Step 3: Cross multiply
    1,904,009.72x = 2,855,128.50 × 705,883.64
  4. Step 4: Simplify right side
    1,904,009.72x = 2,015,388,498,247.74
  5. Step 5: Solve for x
    x = 2,015,388,498,247.74/1,904,009.72
  6. Step 6: Final answer
    x = 1,058,496.96

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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.