Home / 1,295,495.10-1,788,615.27-812,722.14

Finding the Fourth Proportional to 1,295,495.10, 1,788,615.27 and 812,722.14

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Solution

The fourth proportional to 1,295,495.10, 1,788,615.27 and 812,722.14 is: 1,122,078.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,495.10 : 1,788,615.27 = 812,722.14 : x
  2. Step 2: Convert to fraction form
    1,295,495.10/1,788,615.27 = 812,722.14/x
  3. Step 3: Cross multiply
    1,295,495.10x = 1,788,615.27 × 812,722.14
  4. Step 4: Simplify right side
    1,295,495.10x = 1,453,647,229,871.08
  5. Step 5: Solve for x
    x = 1,453,647,229,871.08/1,295,495.10
  6. Step 6: Final answer
    x = 1,122,078.52

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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.