Home / 756,076.40-1,134,114.60-738,361.70

Finding the Fourth Proportional to 756,076.40, 1,134,114.60 and 738,361.70

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Solution

The fourth proportional to 756,076.40, 1,134,114.60 and 738,361.70 is: 1,107,542.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,076.40 : 1,134,114.60 = 738,361.70 : x
  2. Step 2: Convert to fraction form
    756,076.40/1,134,114.60 = 738,361.70/x
  3. Step 3: Cross multiply
    756,076.40x = 1,134,114.60 × 738,361.70
  4. Step 4: Simplify right side
    756,076.40x = 837,386,784,050.82
  5. Step 5: Solve for x
    x = 837,386,784,050.82/756,076.40
  6. Step 6: Final answer
    x = 1,107,542.55

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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.