Home / 1,231,715.60-1,847,189.40-483,990.80

Finding the Fourth Proportional to 1,231,715.60, 1,847,189.40 and 483,990.80

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Solution

The fourth proportional to 1,231,715.60, 1,847,189.40 and 483,990.80 is: 725,835.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,715.60 : 1,847,189.40 = 483,990.80 : x
  2. Step 2: Convert to fraction form
    1,231,715.60/1,847,189.40 = 483,990.80/x
  3. Step 3: Cross multiply
    1,231,715.60x = 1,847,189.40 × 483,990.80
  4. Step 4: Simplify right side
    1,231,715.60x = 894,022,675,457.52
  5. Step 5: Solve for x
    x = 894,022,675,457.52/1,231,715.60
  6. Step 6: Final answer
    x = 725,835.31

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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.