Home / 1,330,299.40-1,995,449.10-1,227,656.20

Finding the Fourth Proportional to 1,330,299.40, 1,995,449.10 and 1,227,656.20

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Solution

The fourth proportional to 1,330,299.40, 1,995,449.10 and 1,227,656.20 is: 1,841,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,299.40 : 1,995,449.10 = 1,227,656.20 : x
  2. Step 2: Convert to fraction form
    1,330,299.40/1,995,449.10 = 1,227,656.20/x
  3. Step 3: Cross multiply
    1,330,299.40x = 1,995,449.10 × 1,227,656.20
  4. Step 4: Simplify right side
    1,330,299.40x = 2,449,725,459,399.42
  5. Step 5: Solve for x
    x = 2,449,725,459,399.42/1,330,299.40
  6. Step 6: Final answer
    x = 1,841,484.30

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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.