Home / 1,316,441.46-1,816,725.06-743,566.80

Finding the Fourth Proportional to 1,316,441.46, 1,816,725.06 and 743,566.80

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Solution

The fourth proportional to 1,316,441.46, 1,816,725.06 and 743,566.80 is: 1,026,142.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,441.46 : 1,816,725.06 = 743,566.80 : x
  2. Step 2: Convert to fraction form
    1,316,441.46/1,816,725.06 = 743,566.80/x
  3. Step 3: Cross multiply
    1,316,441.46x = 1,816,725.06 × 743,566.80
  4. Step 4: Simplify right side
    1,316,441.46x = 1,350,856,439,344.01
  5. Step 5: Solve for x
    x = 1,350,856,439,344.01/1,316,441.46
  6. Step 6: Final answer
    x = 1,026,142.43

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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.