Home / 1,005,205.69-1,505,643.31-471,927.61

Finding the Fourth Proportional to 1,005,205.69, 1,505,643.31 and 471,927.61

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Solution

The fourth proportional to 1,005,205.69, 1,505,643.31 and 471,927.61 is: 706,874.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,205.69 : 1,505,643.31 = 471,927.61 : x
  2. Step 2: Convert to fraction form
    1,005,205.69/1,505,643.31 = 471,927.61/x
  3. Step 3: Cross multiply
    1,005,205.69x = 1,505,643.31 × 471,927.61
  4. Step 4: Simplify right side
    1,005,205.69x = 710,554,638,912.94
  5. Step 5: Solve for x
    x = 710,554,638,912.94/1,005,205.69
  6. Step 6: Final answer
    x = 706,874.87

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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.