Home / 909,941.70-1,364,912.55-898,131.90

Finding the Fourth Proportional to 909,941.70, 1,364,912.55 and 898,131.90

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Solution

The fourth proportional to 909,941.70, 1,364,912.55 and 898,131.90 is: 1,347,197.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,941.70 : 1,364,912.55 = 898,131.90 : x
  2. Step 2: Convert to fraction form
    909,941.70/1,364,912.55 = 898,131.90/x
  3. Step 3: Cross multiply
    909,941.70x = 1,364,912.55 × 898,131.90
  4. Step 4: Simplify right side
    909,941.70x = 1,225,871,501,865.35
  5. Step 5: Solve for x
    x = 1,225,871,501,865.35/909,941.70
  6. Step 6: Final answer
    x = 1,347,197.85

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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.