Home / 1,753,703.80-2,631,246.90-688,564.60

Finding the Fourth Proportional to 1,753,703.80, 2,631,246.90 and 688,564.60

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Solution

The fourth proportional to 1,753,703.80, 2,631,246.90 and 688,564.60 is: 1,033,118.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,703.80 : 2,631,246.90 = 688,564.60 : x
  2. Step 2: Convert to fraction form
    1,753,703.80/2,631,246.90 = 688,564.60/x
  3. Step 3: Cross multiply
    1,753,703.80x = 2,631,246.90 × 688,564.60
  4. Step 4: Simplify right side
    1,753,703.80x = 1,811,783,469,199.74
  5. Step 5: Solve for x
    x = 1,811,783,469,199.74/1,753,703.80
  6. Step 6: Final answer
    x = 1,033,118.29

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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.