Home / 1,332,108.12-1,837,889.52-815,323.27

Finding the Fourth Proportional to 1,332,108.12, 1,837,889.52 and 815,323.27

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Solution

The fourth proportional to 1,332,108.12, 1,837,889.52 and 815,323.27 is: 1,124,889.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,108.12 : 1,837,889.52 = 815,323.27 : x
  2. Step 2: Convert to fraction form
    1,332,108.12/1,837,889.52 = 815,323.27/x
  3. Step 3: Cross multiply
    1,332,108.12x = 1,837,889.52 × 815,323.27
  4. Step 4: Simplify right side
    1,332,108.12x = 1,498,474,084,155.68
  5. Step 5: Solve for x
    x = 1,498,474,084,155.68/1,332,108.12
  6. Step 6: Final answer
    x = 1,124,889.24

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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.