Home / 1,330,378.40-1,995,567.60-1,227,735.20

Finding the Fourth Proportional to 1,330,378.40, 1,995,567.60 and 1,227,735.20

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Solution

The fourth proportional to 1,330,378.40, 1,995,567.60 and 1,227,735.20 is: 1,841,602.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,378.40 : 1,995,567.60 = 1,227,735.20 : x
  2. Step 2: Convert to fraction form
    1,330,378.40/1,995,567.60 = 1,227,735.20/x
  3. Step 3: Cross multiply
    1,330,378.40x = 1,995,567.60 × 1,227,735.20
  4. Step 4: Simplify right side
    1,330,378.40x = 2,450,028,586,499.52
  5. Step 5: Solve for x
    x = 2,450,028,586,499.52/1,330,378.40
  6. Step 6: Final answer
    x = 1,841,602.80

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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.