Home / 1,005,206.69-1,505,644.80-471,928.61

Finding the Fourth Proportional to 1,005,206.69, 1,505,644.80 and 471,928.61

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Solution

The fourth proportional to 1,005,206.69, 1,505,644.80 and 471,928.61 is: 706,876.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,206.69 : 1,505,644.80 = 471,928.61 : x
  2. Step 2: Convert to fraction form
    1,005,206.69/1,505,644.80 = 471,928.61/x
  3. Step 3: Cross multiply
    1,005,206.69x = 1,505,644.80 × 471,928.61
  4. Step 4: Simplify right side
    1,005,206.69x = 710,556,857,617.73
  5. Step 5: Solve for x
    x = 710,556,857,617.73/1,005,206.69
  6. Step 6: Final answer
    x = 706,876.37

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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.