Home / 1,003,206.89-1,505,116.52-320,075.57

Finding the Fourth Proportional to 1,003,206.89, 1,505,116.52 and 320,075.57

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Solution

The fourth proportional to 1,003,206.89, 1,505,116.52 and 320,075.57 is: 480,211.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,206.89 : 1,505,116.52 = 320,075.57 : x
  2. Step 2: Convert to fraction form
    1,003,206.89/1,505,116.52 = 320,075.57/x
  3. Step 3: Cross multiply
    1,003,206.89x = 1,505,116.52 × 320,075.57
  4. Step 4: Simplify right side
    1,003,206.89x = 481,751,018,929.46
  5. Step 5: Solve for x
    x = 481,751,018,929.46/1,003,206.89
  6. Step 6: Final answer
    x = 480,211.04

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1.5x scale

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.