Home / 1,330,248.30-1,995,372.45-1,256,765.10

Finding the Fourth Proportional to 1,330,248.30, 1,995,372.45 and 1,256,765.10

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Solution

The fourth proportional to 1,330,248.30, 1,995,372.45 and 1,256,765.10 is: 1,885,147.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,248.30 : 1,995,372.45 = 1,256,765.10 : x
  2. Step 2: Convert to fraction form
    1,330,248.30/1,995,372.45 = 1,256,765.10/x
  3. Step 3: Cross multiply
    1,330,248.30x = 1,995,372.45 × 1,256,765.10
  4. Step 4: Simplify right side
    1,330,248.30x = 2,507,714,456,661.50
  5. Step 5: Solve for x
    x = 2,507,714,456,661.50/1,330,248.30
  6. Step 6: Final answer
    x = 1,885,147.65

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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.