Home / 1,330,481.70-1,995,722.55-1,316,484.90

Finding the Fourth Proportional to 1,330,481.70, 1,995,722.55 and 1,316,484.90

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Solution

The fourth proportional to 1,330,481.70, 1,995,722.55 and 1,316,484.90 is: 1,974,727.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,481.70 : 1,995,722.55 = 1,316,484.90 : x
  2. Step 2: Convert to fraction form
    1,330,481.70/1,995,722.55 = 1,316,484.90/x
  3. Step 3: Cross multiply
    1,330,481.70x = 1,995,722.55 × 1,316,484.90
  4. Step 4: Simplify right side
    1,330,481.70x = 2,627,338,601,664.50
  5. Step 5: Solve for x
    x = 2,627,338,601,664.50/1,330,481.70
  6. Step 6: Final answer
    x = 1,974,727.35

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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.