Home / 1,285,687.08-1,928,891.76-476,059.32

Finding the Fourth Proportional to 1,285,687.08, 1,928,891.76 and 476,059.32

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Solution

The fourth proportional to 1,285,687.08, 1,928,891.76 and 476,059.32 is: 714,222.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,687.08 : 1,928,891.76 = 476,059.32 : x
  2. Step 2: Convert to fraction form
    1,285,687.08/1,928,891.76 = 476,059.32/x
  3. Step 3: Cross multiply
    1,285,687.08x = 1,928,891.76 × 476,059.32
  4. Step 4: Simplify right side
    1,285,687.08x = 918,266,899,619.20
  5. Step 5: Solve for x
    x = 918,266,899,619.20/1,285,687.08
  6. Step 6: Final answer
    x = 714,222.70

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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.