Home / 2,079,072.90-3,118,609.35-959,328.90

Finding the Fourth Proportional to 2,079,072.90, 3,118,609.35 and 959,328.90

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Solution

The fourth proportional to 2,079,072.90, 3,118,609.35 and 959,328.90 is: 1,438,993.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,072.90 : 3,118,609.35 = 959,328.90 : x
  2. Step 2: Convert to fraction form
    2,079,072.90/3,118,609.35 = 959,328.90/x
  3. Step 3: Cross multiply
    2,079,072.90x = 3,118,609.35 × 959,328.90
  4. Step 4: Simplify right side
    2,079,072.90x = 2,991,772,077,265.22
  5. Step 5: Solve for x
    x = 2,991,772,077,265.22/2,079,072.90
  6. Step 6: Final answer
    x = 1,438,993.35

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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.