Home / 1,115,328.88-1,672,052.82-483,767.20

Finding the Fourth Proportional to 1,115,328.88, 1,672,052.82 and 483,767.20

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Solution

The fourth proportional to 1,115,328.88, 1,672,052.82 and 483,767.20 is: 725,242.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,328.88 : 1,672,052.82 = 483,767.20 : x
  2. Step 2: Convert to fraction form
    1,115,328.88/1,672,052.82 = 483,767.20/x
  3. Step 3: Cross multiply
    1,115,328.88x = 1,672,052.82 × 483,767.20
  4. Step 4: Simplify right side
    1,115,328.88x = 808,884,310,983.50
  5. Step 5: Solve for x
    x = 808,884,310,983.50/1,115,328.88
  6. Step 6: Final answer
    x = 725,242.86

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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.