Home / 1,435,343.20-2,153,306.40-488,809.60

Finding the Fourth Proportional to 1,435,343.20, 2,153,306.40 and 488,809.60

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Solution

The fourth proportional to 1,435,343.20, 2,153,306.40 and 488,809.60 is: 733,313.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,343.20 : 2,153,306.40 = 488,809.60 : x
  2. Step 2: Convert to fraction form
    1,435,343.20/2,153,306.40 = 488,809.60/x
  3. Step 3: Cross multiply
    1,435,343.20x = 2,153,306.40 × 488,809.60
  4. Step 4: Simplify right side
    1,435,343.20x = 1,052,556,840,061.44
  5. Step 5: Solve for x
    x = 1,052,556,840,061.44/1,435,343.20
  6. Step 6: Final answer
    x = 733,313.71

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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.