Home / 756,072.90-1,134,109.35-738,576.90

Finding the Fourth Proportional to 756,072.90, 1,134,109.35 and 738,576.90

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Solution

The fourth proportional to 756,072.90, 1,134,109.35 and 738,576.90 is: 1,107,865.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,072.90 : 1,134,109.35 = 738,576.90 : x
  2. Step 2: Convert to fraction form
    756,072.90/1,134,109.35 = 738,576.90/x
  3. Step 3: Cross multiply
    756,072.90x = 1,134,109.35 × 738,576.90
  4. Step 4: Simplify right side
    756,072.90x = 837,626,967,984.02
  5. Step 5: Solve for x
    x = 837,626,967,984.02/756,072.90
  6. Step 6: Final answer
    x = 1,107,865.35

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Double scale
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Similar ratio
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1.5x scale

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.