Home / 1,123,748.64-1,684,834.38-413,685.60

Finding the Fourth Proportional to 1,123,748.64, 1,684,834.38 and 413,685.60

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Solution

The fourth proportional to 1,123,748.64, 1,684,834.38 and 413,685.60 is: 620,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,748.64 : 1,684,834.38 = 413,685.60 : x
  2. Step 2: Convert to fraction form
    1,123,748.64/1,684,834.38 = 413,685.60/x
  3. Step 3: Cross multiply
    1,123,748.64x = 1,684,834.38 × 413,685.60
  4. Step 4: Simplify right side
    1,123,748.64x = 696,991,721,390.93
  5. Step 5: Solve for x
    x = 696,991,721,390.93/1,123,748.64
  6. Step 6: Final answer
    x = 620,238.10

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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.