Home / 1,301,509.05-1,796,059.96-720,720.66

Finding the Fourth Proportional to 1,301,509.05, 1,796,059.96 and 720,720.66

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Solution

The fourth proportional to 1,301,509.05, 1,796,059.96 and 720,720.66 is: 994,582.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,509.05 : 1,796,059.96 = 720,720.66 : x
  2. Step 2: Convert to fraction form
    1,301,509.05/1,796,059.96 = 720,720.66/x
  3. Step 3: Cross multiply
    1,301,509.05x = 1,796,059.96 × 720,720.66
  4. Step 4: Simplify right side
    1,301,509.05x = 1,294,457,519,770.77
  5. Step 5: Solve for x
    x = 1,294,457,519,770.77/1,301,509.05
  6. Step 6: Final answer
    x = 994,582.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.