Home / 1,177,331.40-1,764,182.70-876,400.20

Finding the Fourth Proportional to 1,177,331.40, 1,764,182.70 and 876,400.20

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Solution

The fourth proportional to 1,177,331.40, 1,764,182.70 and 876,400.20 is: 1,313,249.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,331.40 : 1,764,182.70 = 876,400.20 : x
  2. Step 2: Convert to fraction form
    1,177,331.40/1,764,182.70 = 876,400.20/x
  3. Step 3: Cross multiply
    1,177,331.40x = 1,764,182.70 × 876,400.20
  4. Step 4: Simplify right side
    1,177,331.40x = 1,546,130,071,116.54
  5. Step 5: Solve for x
    x = 1,546,130,071,116.54/1,177,331.40
  6. Step 6: Final answer
    x = 1,313,249.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.