Home / 1,385,299.77-2,077,949.54-702,080.21

Finding the Fourth Proportional to 1,385,299.77, 2,077,949.54 and 702,080.21

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Solution

The fourth proportional to 1,385,299.77, 2,077,949.54 and 702,080.21 is: 1,053,120.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,299.77 : 2,077,949.54 = 702,080.21 : x
  2. Step 2: Convert to fraction form
    1,385,299.77/2,077,949.54 = 702,080.21/x
  3. Step 3: Cross multiply
    1,385,299.77x = 2,077,949.54 × 702,080.21
  4. Step 4: Simplify right side
    1,385,299.77x = 1,458,887,235,512.45
  5. Step 5: Solve for x
    x = 1,458,887,235,512.45/1,385,299.77
  6. Step 6: Final answer
    x = 1,053,120.25

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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.