Home / 1,285,809.21-1,928,320.08-888,999.93

Finding the Fourth Proportional to 1,285,809.21, 1,928,320.08 and 888,999.93

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Solution

The fourth proportional to 1,285,809.21, 1,928,320.08 and 888,999.93 is: 1,333,227.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,809.21 : 1,928,320.08 = 888,999.93 : x
  2. Step 2: Convert to fraction form
    1,285,809.21/1,928,320.08 = 888,999.93/x
  3. Step 3: Cross multiply
    1,285,809.21x = 1,928,320.08 × 888,999.93
  4. Step 4: Simplify right side
    1,285,809.21x = 1,714,276,416,137.59
  5. Step 5: Solve for x
    x = 1,714,276,416,137.59/1,285,809.21
  6. Step 6: Final answer
    x = 1,333,227.67

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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.