Home / 1,224,338.52-1,835,455.90-425,516.28

Finding the Fourth Proportional to 1,224,338.52, 1,835,455.90 and 425,516.28

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Solution

The fourth proportional to 1,224,338.52, 1,835,455.90 and 425,516.28 is: 637,908.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,338.52 : 1,835,455.90 = 425,516.28 : x
  2. Step 2: Convert to fraction form
    1,224,338.52/1,835,455.90 = 425,516.28/x
  3. Step 3: Cross multiply
    1,224,338.52x = 1,835,455.90 × 425,516.28
  4. Step 4: Simplify right side
    1,224,338.52x = 781,016,366,672.05
  5. Step 5: Solve for x
    x = 781,016,366,672.05/1,224,338.52
  6. Step 6: Final answer
    x = 637,908.84

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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.