Home / 1,009,414.85-1,393,458.98-622,299.45

Finding the Fourth Proportional to 1,009,414.85, 1,393,458.98 and 622,299.45

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Solution

The fourth proportional to 1,009,414.85, 1,393,458.98 and 622,299.45 is: 859,060.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,414.85 : 1,393,458.98 = 622,299.45 : x
  2. Step 2: Convert to fraction form
    1,009,414.85/1,393,458.98 = 622,299.45/x
  3. Step 3: Cross multiply
    1,009,414.85x = 1,393,458.98 × 622,299.45
  4. Step 4: Simplify right side
    1,009,414.85x = 867,148,746,772.77
  5. Step 5: Solve for x
    x = 867,148,746,772.77/1,009,414.85
  6. Step 6: Final answer
    x = 859,060.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.