Home / 1,107,311.40-1,657,467.90-869,365.80

Finding the Fourth Proportional to 1,107,311.40, 1,657,467.90 and 869,365.80

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Solution

The fourth proportional to 1,107,311.40, 1,657,467.90 and 869,365.80 is: 1,301,301.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,311.40 : 1,657,467.90 = 869,365.80 : x
  2. Step 2: Convert to fraction form
    1,107,311.40/1,657,467.90 = 869,365.80/x
  3. Step 3: Cross multiply
    1,107,311.40x = 1,657,467.90 × 869,365.80
  4. Step 4: Simplify right side
    1,107,311.40x = 1,440,945,906,857.82
  5. Step 5: Solve for x
    x = 1,440,945,906,857.82/1,107,311.40
  6. Step 6: Final answer
    x = 1,301,301.43

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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.