Home / 1,298,722.28-1,792,239.17-725,762.45

Finding the Fourth Proportional to 1,298,722.28, 1,792,239.17 and 725,762.45

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Solution

The fourth proportional to 1,298,722.28, 1,792,239.17 and 725,762.45 is: 1,001,553.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,722.28 : 1,792,239.17 = 725,762.45 : x
  2. Step 2: Convert to fraction form
    1,298,722.28/1,792,239.17 = 725,762.45/x
  3. Step 3: Cross multiply
    1,298,722.28x = 1,792,239.17 × 725,762.45
  4. Step 4: Simplify right side
    1,298,722.28x = 1,300,739,883,858.38
  5. Step 5: Solve for x
    x = 1,300,739,883,858.38/1,298,722.28
  6. Step 6: Final answer
    x = 1,001,553.53

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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.