Home / 1,581,021.60-2,370,203.46-1,280,757.56

Finding the Fourth Proportional to 1,581,021.60, 2,370,203.46 and 1,280,757.56

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Solution

The fourth proportional to 1,581,021.60, 2,370,203.46 and 1,280,757.56 is: 1,920,059.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,021.60 : 2,370,203.46 = 1,280,757.56 : x
  2. Step 2: Convert to fraction form
    1,581,021.60/2,370,203.46 = 1,280,757.56/x
  3. Step 3: Cross multiply
    1,581,021.60x = 2,370,203.46 × 1,280,757.56
  4. Step 4: Simplify right side
    1,581,021.60x = 3,035,656,000,133.16
  5. Step 5: Solve for x
    x = 3,035,656,000,133.16/1,581,021.60
  6. Step 6: Final answer
    x = 1,920,059.79

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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.