Home / 1,444,507.47-2,165,472.75-685,880.91

Finding the Fourth Proportional to 1,444,507.47, 2,165,472.75 and 685,880.91

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Solution

The fourth proportional to 1,444,507.47, 2,165,472.75 and 685,880.91 is: 1,028,209.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,507.47 : 2,165,472.75 = 685,880.91 : x
  2. Step 2: Convert to fraction form
    1,444,507.47/2,165,472.75 = 685,880.91/x
  3. Step 3: Cross multiply
    1,444,507.47x = 2,165,472.75 × 685,880.91
  4. Step 4: Simplify right side
    1,444,507.47x = 1,485,256,420,350.20
  5. Step 5: Solve for x
    x = 1,485,256,420,350.20/1,444,507.47
  6. Step 6: Final answer
    x = 1,028,209.58

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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.