Home / 1,338,822.04-1,847,112.56-855,670

Finding the Fourth Proportional to 1,338,822.04, 1,847,112.56 and 855,670

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Solution

The fourth proportional to 1,338,822.04, 1,847,112.56 and 855,670 is: 1,180,529.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,822.04 : 1,847,112.56 = 855,670 : x
  2. Step 2: Convert to fraction form
    1,338,822.04/1,847,112.56 = 855,670/x
  3. Step 3: Cross multiply
    1,338,822.04x = 1,847,112.56 × 855,670
  4. Step 4: Simplify right side
    1,338,822.04x = 1,580,518,804,215.20
  5. Step 5: Solve for x
    x = 1,580,518,804,215.20/1,338,822.04
  6. Step 6: Final answer
    x = 1,180,529.42

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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.