Home / 909,917.70-1,364,876.55-898,107.90

Finding the Fourth Proportional to 909,917.70, 1,364,876.55 and 898,107.90

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Solution

The fourth proportional to 909,917.70, 1,364,876.55 and 898,107.90 is: 1,347,161.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,917.70 : 1,364,876.55 = 898,107.90 : x
  2. Step 2: Convert to fraction form
    909,917.70/1,364,876.55 = 898,107.90/x
  3. Step 3: Cross multiply
    909,917.70x = 1,364,876.55 × 898,107.90
  4. Step 4: Simplify right side
    909,917.70x = 1,225,806,412,079.75
  5. Step 5: Solve for x
    x = 1,225,806,412,079.75/909,917.70
  6. Step 6: Final answer
    x = 1,347,161.85

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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.