Home / 1,107,910.80-1,663,178.40-628,520.40

Finding the Fourth Proportional to 1,107,910.80, 1,663,178.40 and 628,520.40

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Solution

The fourth proportional to 1,107,910.80, 1,663,178.40 and 628,520.40 is: 943,525.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,910.80 : 1,663,178.40 = 628,520.40 : x
  2. Step 2: Convert to fraction form
    1,107,910.80/1,663,178.40 = 628,520.40/x
  3. Step 3: Cross multiply
    1,107,910.80x = 1,663,178.40 × 628,520.40
  4. Step 4: Simplify right side
    1,107,910.80x = 1,045,341,553,239.36
  5. Step 5: Solve for x
    x = 1,045,341,553,239.36/1,107,910.80
  6. Step 6: Final answer
    x = 943,525.01

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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.