Home / 923,901.45-1,377,311.94-909,342.15

Finding the Fourth Proportional to 923,901.45, 1,377,311.94 and 909,342.15

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Solution

The fourth proportional to 923,901.45, 1,377,311.94 and 909,342.15 is: 1,355,607.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,901.45 : 1,377,311.94 = 909,342.15 : x
  2. Step 2: Convert to fraction form
    923,901.45/1,377,311.94 = 909,342.15/x
  3. Step 3: Cross multiply
    923,901.45x = 1,377,311.94 × 909,342.15
  4. Step 4: Simplify right side
    923,901.45x = 1,252,447,800,740.27
  5. Step 5: Solve for x
    x = 1,252,447,800,740.27/923,901.45
  6. Step 6: Final answer
    x = 1,355,607.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.