Home / 1,349,116.58-1,861,898.73-745,621.22

Finding the Fourth Proportional to 1,349,116.58, 1,861,898.73 and 745,621.22

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Solution

The fourth proportional to 1,349,116.58, 1,861,898.73 and 745,621.22 is: 1,029,022.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,116.58 : 1,861,898.73 = 745,621.22 : x
  2. Step 2: Convert to fraction form
    1,349,116.58/1,861,898.73 = 745,621.22/x
  3. Step 3: Cross multiply
    1,349,116.58x = 1,861,898.73 × 745,621.22
  4. Step 4: Simplify right side
    1,349,116.58x = 1,388,271,202,579.05
  5. Step 5: Solve for x
    x = 1,388,271,202,579.05/1,349,116.58
  6. Step 6: Final answer
    x = 1,029,022.42

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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.