Home / 1,346,401.80-1,857,780.66-802,588.26

Finding the Fourth Proportional to 1,346,401.80, 1,857,780.66 and 802,588.26

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Solution

The fourth proportional to 1,346,401.80, 1,857,780.66 and 802,588.26 is: 1,107,420.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,401.80 : 1,857,780.66 = 802,588.26 : x
  2. Step 2: Convert to fraction form
    1,346,401.80/1,857,780.66 = 802,588.26/x
  3. Step 3: Cross multiply
    1,346,401.80x = 1,857,780.66 × 802,588.26
  4. Step 4: Simplify right side
    1,346,401.80x = 1,491,032,947,371.05
  5. Step 5: Solve for x
    x = 1,491,032,947,371.05/1,346,401.80
  6. Step 6: Final answer
    x = 1,107,420.49

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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.