Home / 1,316,438.46-1,816,720.92-743,563.80

Finding the Fourth Proportional to 1,316,438.46, 1,816,720.92 and 743,563.80

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Solution

The fourth proportional to 1,316,438.46, 1,816,720.92 and 743,563.80 is: 1,026,138.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,438.46 : 1,816,720.92 = 743,563.80 : x
  2. Step 2: Convert to fraction form
    1,316,438.46/1,816,720.92 = 743,563.80/x
  3. Step 3: Cross multiply
    1,316,438.46x = 1,816,720.92 × 743,563.80
  4. Step 4: Simplify right side
    1,316,438.46x = 1,350,847,910,814.70
  5. Step 5: Solve for x
    x = 1,350,847,910,814.70/1,316,438.46
  6. Step 6: Final answer
    x = 1,026,138.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.