Home / 1,338,669.32-1,847,359.86-802,125.32

Finding the Fourth Proportional to 1,338,669.32, 1,847,359.86 and 802,125.32

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Solution

The fourth proportional to 1,338,669.32, 1,847,359.86 and 802,125.32 is: 1,106,930.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,669.32 : 1,847,359.86 = 802,125.32 : x
  2. Step 2: Convert to fraction form
    1,338,669.32/1,847,359.86 = 802,125.32/x
  3. Step 3: Cross multiply
    1,338,669.32x = 1,847,359.86 × 802,125.32
  4. Step 4: Simplify right side
    1,338,669.32x = 1,481,814,118,857.66
  5. Step 5: Solve for x
    x = 1,481,814,118,857.66/1,338,669.32
  6. Step 6: Final answer
    x = 1,106,930.66

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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.