Home / 1,685,476.42-2,530,013.76-726,405.32

Finding the Fourth Proportional to 1,685,476.42, 2,530,013.76 and 726,405.32

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Solution

The fourth proportional to 1,685,476.42, 2,530,013.76 and 726,405.32 is: 1,090,383.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,476.42 : 2,530,013.76 = 726,405.32 : x
  2. Step 2: Convert to fraction form
    1,685,476.42/2,530,013.76 = 726,405.32/x
  3. Step 3: Cross multiply
    1,685,476.42x = 2,530,013.76 × 726,405.32
  4. Step 4: Simplify right side
    1,685,476.42x = 1,837,815,461,262.24
  5. Step 5: Solve for x
    x = 1,837,815,461,262.24/1,685,476.42
  6. Step 6: Final answer
    x = 1,090,383.37

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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.