Home / 1,213,161.76-1,819,677.03-371,715.94

Finding the Fourth Proportional to 1,213,161.76, 1,819,677.03 and 371,715.94

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Solution

The fourth proportional to 1,213,161.76, 1,819,677.03 and 371,715.94 is: 557,553.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,161.76 : 1,819,677.03 = 371,715.94 : x
  2. Step 2: Convert to fraction form
    1,213,161.76/1,819,677.03 = 371,715.94/x
  3. Step 3: Cross multiply
    1,213,161.76x = 1,819,677.03 × 371,715.94
  4. Step 4: Simplify right side
    1,213,161.76x = 676,402,957,702.86
  5. Step 5: Solve for x
    x = 676,402,957,702.86/1,213,161.76
  6. Step 6: Final answer
    x = 557,553.81

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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.