Home / 1,180,096.40-1,768,832.40-647,999.30

Finding the Fourth Proportional to 1,180,096.40, 1,768,832.40 and 647,999.30

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Solution

The fourth proportional to 1,180,096.40, 1,768,832.40 and 647,999.30 is: 971,278.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,096.40 : 1,768,832.40 = 647,999.30 : x
  2. Step 2: Convert to fraction form
    1,180,096.40/1,768,832.40 = 647,999.30/x
  3. Step 3: Cross multiply
    1,180,096.40x = 1,768,832.40 × 647,999.30
  4. Step 4: Simplify right side
    1,180,096.40x = 1,146,202,157,017.32
  5. Step 5: Solve for x
    x = 1,146,202,157,017.32/1,180,096.40
  6. Step 6: Final answer
    x = 971,278.41

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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.