Home / 1,347,269.40-2,021,438.70-548,609.40

Finding the Fourth Proportional to 1,347,269.40, 2,021,438.70 and 548,609.40

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Solution

The fourth proportional to 1,347,269.40, 2,021,438.70 and 548,609.40 is: 823,131.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,269.40 : 2,021,438.70 = 548,609.40 : x
  2. Step 2: Convert to fraction form
    1,347,269.40/2,021,438.70 = 548,609.40/x
  3. Step 3: Cross multiply
    1,347,269.40x = 2,021,438.70 × 548,609.40
  4. Step 4: Simplify right side
    1,347,269.40x = 1,108,980,272,343.78
  5. Step 5: Solve for x
    x = 1,108,980,272,343.78/1,347,269.40
  6. Step 6: Final answer
    x = 823,131.79

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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.