Home / 909,933.70-1,364,900.55-898,123.90

Finding the Fourth Proportional to 909,933.70, 1,364,900.55 and 898,123.90

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Solution

The fourth proportional to 909,933.70, 1,364,900.55 and 898,123.90 is: 1,347,185.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,933.70 : 1,364,900.55 = 898,123.90 : x
  2. Step 2: Convert to fraction form
    909,933.70/1,364,900.55 = 898,123.90/x
  3. Step 3: Cross multiply
    909,933.70x = 1,364,900.55 × 898,123.90
  4. Step 4: Simplify right side
    909,933.70x = 1,225,849,805,078.15
  5. Step 5: Solve for x
    x = 1,225,849,805,078.15/909,933.70
  6. Step 6: Final answer
    x = 1,347,185.85

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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.