Home / 1,175,378.80-1,763,068.20-802,130.80

Finding the Fourth Proportional to 1,175,378.80, 1,763,068.20 and 802,130.80

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Solution

The fourth proportional to 1,175,378.80, 1,763,068.20 and 802,130.80 is: 1,203,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,378.80 : 1,763,068.20 = 802,130.80 : x
  2. Step 2: Convert to fraction form
    1,175,378.80/1,763,068.20 = 802,130.80/x
  3. Step 3: Cross multiply
    1,175,378.80x = 1,763,068.20 × 802,130.80
  4. Step 4: Simplify right side
    1,175,378.80x = 1,414,211,305,720.56
  5. Step 5: Solve for x
    x = 1,414,211,305,720.56/1,175,378.80
  6. Step 6: Final answer
    x = 1,203,196.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.