Home / 1,415,696.60-2,123,447.70-456,138.20

Finding the Fourth Proportional to 1,415,696.60, 2,123,447.70 and 456,138.20

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Solution

The fourth proportional to 1,415,696.60, 2,123,447.70 and 456,138.20 is: 684,175.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,696.60 : 2,123,447.70 = 456,138.20 : x
  2. Step 2: Convert to fraction form
    1,415,696.60/2,123,447.70 = 456,138.20/x
  3. Step 3: Cross multiply
    1,415,696.60x = 2,123,447.70 × 456,138.20
  4. Step 4: Simplify right side
    1,415,696.60x = 968,585,611,672.14
  5. Step 5: Solve for x
    x = 968,585,611,672.14/1,415,696.60
  6. Step 6: Final answer
    x = 684,175.98

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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.