Home / 1,306,743.85-1,803,327.78-726,004.45

Finding the Fourth Proportional to 1,306,743.85, 1,803,327.78 and 726,004.45

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Solution

The fourth proportional to 1,306,743.85, 1,803,327.78 and 726,004.45 is: 1,001,897.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,743.85 : 1,803,327.78 = 726,004.45 : x
  2. Step 2: Convert to fraction form
    1,306,743.85/1,803,327.78 = 726,004.45/x
  3. Step 3: Cross multiply
    1,306,743.85x = 1,803,327.78 × 726,004.45
  4. Step 4: Simplify right side
    1,306,743.85x = 1,309,223,993,088.62
  5. Step 5: Solve for x
    x = 1,309,223,993,088.62/1,306,743.85
  6. Step 6: Final answer
    x = 1,001,897.96

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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.