Home / 1,285,809.46-1,928,320.46-889,000.18

Finding the Fourth Proportional to 1,285,809.46, 1,928,320.46 and 889,000.18

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Solution

The fourth proportional to 1,285,809.46, 1,928,320.46 and 889,000.18 is: 1,333,228.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,809.46 : 1,928,320.46 = 889,000.18 : x
  2. Step 2: Convert to fraction form
    1,285,809.46/1,928,320.46 = 889,000.18/x
  3. Step 3: Cross multiply
    1,285,809.46x = 1,928,320.46 × 889,000.18
  4. Step 4: Simplify right side
    1,285,809.46x = 1,714,277,236,037.68
  5. Step 5: Solve for x
    x = 1,714,277,236,037.68/1,285,809.46
  6. Step 6: Final answer
    x = 1,333,228.05

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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.