Home / 1,313,869.80-1,971,096.30-603,726.60

Finding the Fourth Proportional to 1,313,869.80, 1,971,096.30 and 603,726.60

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Solution

The fourth proportional to 1,313,869.80, 1,971,096.30 and 603,726.60 is: 905,723.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,869.80 : 1,971,096.30 = 603,726.60 : x
  2. Step 2: Convert to fraction form
    1,313,869.80/1,971,096.30 = 603,726.60/x
  3. Step 3: Cross multiply
    1,313,869.80x = 1,971,096.30 × 603,726.60
  4. Step 4: Simplify right side
    1,313,869.80x = 1,190,003,267,471.58
  5. Step 5: Solve for x
    x = 1,190,003,267,471.58/1,313,869.80
  6. Step 6: Final answer
    x = 905,723.89

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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.