Home / 1,298,592.03-1,792,022.63-725,636.91

Finding the Fourth Proportional to 1,298,592.03, 1,792,022.63 and 725,636.91

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Solution

The fourth proportional to 1,298,592.03, 1,792,022.63 and 725,636.91 is: 1,001,359.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,592.03 : 1,792,022.63 = 725,636.91 : x
  2. Step 2: Convert to fraction form
    1,298,592.03/1,792,022.63 = 725,636.91/x
  3. Step 3: Cross multiply
    1,298,592.03x = 1,792,022.63 × 725,636.91
  4. Step 4: Simplify right side
    1,298,592.03x = 1,300,357,760,255.09
  5. Step 5: Solve for x
    x = 1,300,357,760,255.09/1,298,592.03
  6. Step 6: Final answer
    x = 1,001,359.73

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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.