Home / 1,429,571.52-1,972,843.16-776,225.33

Finding the Fourth Proportional to 1,429,571.52, 1,972,843.16 and 776,225.33

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Solution

The fourth proportional to 1,429,571.52, 1,972,843.16 and 776,225.33 is: 1,071,209.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,571.52 : 1,972,843.16 = 776,225.33 : x
  2. Step 2: Convert to fraction form
    1,429,571.52/1,972,843.16 = 776,225.33/x
  3. Step 3: Cross multiply
    1,429,571.52x = 1,972,843.16 × 776,225.33
  4. Step 4: Simplify right side
    1,429,571.52x = 1,531,370,819,163.90
  5. Step 5: Solve for x
    x = 1,531,370,819,163.90/1,429,571.52
  6. Step 6: Final answer
    x = 1,071,209.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.