Home / 1,821,388.70-2,732,215.65-699,457.70

Finding the Fourth Proportional to 1,821,388.70, 2,732,215.65 and 699,457.70

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Solution

The fourth proportional to 1,821,388.70, 2,732,215.65 and 699,457.70 is: 1,049,237.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,388.70 : 2,732,215.65 = 699,457.70 : x
  2. Step 2: Convert to fraction form
    1,821,388.70/2,732,215.65 = 699,457.70/x
  3. Step 3: Cross multiply
    1,821,388.70x = 2,732,215.65 × 699,457.70
  4. Step 4: Simplify right side
    1,821,388.70x = 1,911,069,274,453.01
  5. Step 5: Solve for x
    x = 1,911,069,274,453.01/1,821,388.70
  6. Step 6: Final answer
    x = 1,049,237.47

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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.