Home / 1,332,789.12-1,997,974.08-692,344.32

Finding the Fourth Proportional to 1,332,789.12, 1,997,974.08 and 692,344.32

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Solution

The fourth proportional to 1,332,789.12, 1,997,974.08 and 692,344.32 is: 1,037,888.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,789.12 : 1,997,974.08 = 692,344.32 : x
  2. Step 2: Convert to fraction form
    1,332,789.12/1,997,974.08 = 692,344.32/x
  3. Step 3: Cross multiply
    1,332,789.12x = 1,997,974.08 × 692,344.32
  4. Step 4: Simplify right side
    1,332,789.12x = 1,383,286,005,795.23
  5. Step 5: Solve for x
    x = 1,383,286,005,795.23/1,332,789.12
  6. Step 6: Final answer
    x = 1,037,888.13

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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.