Home / 1,370,858.28-1,891,809.54-767,244.84

Finding the Fourth Proportional to 1,370,858.28, 1,891,809.54 and 767,244.84

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Solution

The fourth proportional to 1,370,858.28, 1,891,809.54 and 767,244.84 is: 1,058,811.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,858.28 : 1,891,809.54 = 767,244.84 : x
  2. Step 2: Convert to fraction form
    1,370,858.28/1,891,809.54 = 767,244.84/x
  3. Step 3: Cross multiply
    1,370,858.28x = 1,891,809.54 × 767,244.84
  4. Step 4: Simplify right side
    1,370,858.28x = 1,451,481,107,827.77
  5. Step 5: Solve for x
    x = 1,451,481,107,827.77/1,370,858.28
  6. Step 6: Final answer
    x = 1,058,811.93

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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.