Home / 1,450,816.32-2,177,905.86-778,211.22

Finding the Fourth Proportional to 1,450,816.32, 2,177,905.86 and 778,211.22

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Solution

The fourth proportional to 1,450,816.32, 2,177,905.86 and 778,211.22 is: 1,168,218.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,816.32 : 2,177,905.86 = 778,211.22 : x
  2. Step 2: Convert to fraction form
    1,450,816.32/2,177,905.86 = 778,211.22/x
  3. Step 3: Cross multiply
    1,450,816.32x = 2,177,905.86 × 778,211.22
  4. Step 4: Simplify right side
    1,450,816.32x = 1,694,870,776,355.75
  5. Step 5: Solve for x
    x = 1,694,870,776,355.75/1,450,816.32
  6. Step 6: Final answer
    x = 1,168,218.71

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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.