Home / 1,298,803.62-1,792,428.57-725,889.54

Finding the Fourth Proportional to 1,298,803.62, 1,792,428.57 and 725,889.54

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Solution

The fourth proportional to 1,298,803.62, 1,792,428.57 and 725,889.54 is: 1,001,772.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,803.62 : 1,792,428.57 = 725,889.54 : x
  2. Step 2: Convert to fraction form
    1,298,803.62/1,792,428.57 = 725,889.54/x
  3. Step 3: Cross multiply
    1,298,803.62x = 1,792,428.57 × 725,889.54
  4. Step 4: Simplify right side
    1,298,803.62x = 1,301,105,150,160.16
  5. Step 5: Solve for x
    x = 1,301,105,150,160.16/1,298,803.62
  6. Step 6: Final answer
    x = 1,001,772.04

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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.