Home / 1,307,162.48-1,803,938.46-726,383.45

Finding the Fourth Proportional to 1,307,162.48, 1,803,938.46 and 726,383.45

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Solution

The fourth proportional to 1,307,162.48, 1,803,938.46 and 726,383.45 is: 1,002,439.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,162.48 : 1,803,938.46 = 726,383.45 : x
  2. Step 2: Convert to fraction form
    1,307,162.48/1,803,938.46 = 726,383.45/x
  3. Step 3: Cross multiply
    1,307,162.48x = 1,803,938.46 × 726,383.45
  4. Step 4: Simplify right side
    1,307,162.48x = 1,310,351,033,142.79
  5. Step 5: Solve for x
    x = 1,310,351,033,142.79/1,307,162.48
  6. Step 6: Final answer
    x = 1,002,439.29

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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.