Home / 1,234,722.78-1,861,338.64-1,152,423.26

Finding the Fourth Proportional to 1,234,722.78, 1,861,338.64 and 1,152,423.26

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Solution

The fourth proportional to 1,234,722.78, 1,861,338.64 and 1,152,423.26 is: 1,737,272.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,722.78 : 1,861,338.64 = 1,152,423.26 : x
  2. Step 2: Convert to fraction form
    1,234,722.78/1,861,338.64 = 1,152,423.26/x
  3. Step 3: Cross multiply
    1,234,722.78x = 1,861,338.64 × 1,152,423.26
  4. Step 4: Simplify right side
    1,234,722.78x = 2,145,049,943,472.77
  5. Step 5: Solve for x
    x = 2,145,049,943,472.77/1,234,722.78
  6. Step 6: Final answer
    x = 1,737,272.51

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.