Home / 1,453,910.20-2,181,302.70-780,314.20

Finding the Fourth Proportional to 1,453,910.20, 2,181,302.70 and 780,314.20

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Solution

The fourth proportional to 1,453,910.20, 2,181,302.70 and 780,314.20 is: 1,170,706.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,910.20 : 2,181,302.70 = 780,314.20 : x
  2. Step 2: Convert to fraction form
    1,453,910.20/2,181,302.70 = 780,314.20/x
  3. Step 3: Cross multiply
    1,453,910.20x = 2,181,302.70 × 780,314.20
  4. Step 4: Simplify right side
    1,453,910.20x = 1,702,101,471,308.34
  5. Step 5: Solve for x
    x = 1,702,101,471,308.34/1,453,910.20
  6. Step 6: Final answer
    x = 1,170,706.05

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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.