Home / 876,007.10-1,314,010.65-870,102.20

Finding the Fourth Proportional to 876,007.10, 1,314,010.65 and 870,102.20

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Solution

The fourth proportional to 876,007.10, 1,314,010.65 and 870,102.20 is: 1,305,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,007.10 : 1,314,010.65 = 870,102.20 : x
  2. Step 2: Convert to fraction form
    876,007.10/1,314,010.65 = 870,102.20/x
  3. Step 3: Cross multiply
    876,007.10x = 1,314,010.65 × 870,102.20
  4. Step 4: Simplify right side
    876,007.10x = 1,143,323,557,388.43
  5. Step 5: Solve for x
    x = 1,143,323,557,388.43/876,007.10
  6. Step 6: Final answer
    x = 1,305,153.30

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Similar ratio
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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.