Home / 1,616,837.70-2,425,256.55-479,640.90

Finding the Fourth Proportional to 1,616,837.70, 2,425,256.55 and 479,640.90

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Solution

The fourth proportional to 1,616,837.70, 2,425,256.55 and 479,640.90 is: 719,461.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,837.70 : 2,425,256.55 = 479,640.90 : x
  2. Step 2: Convert to fraction form
    1,616,837.70/2,425,256.55 = 479,640.90/x
  3. Step 3: Cross multiply
    1,616,837.70x = 2,425,256.55 × 479,640.90
  4. Step 4: Simplify right side
    1,616,837.70x = 1,163,252,234,372.90
  5. Step 5: Solve for x
    x = 1,163,252,234,372.90/1,616,837.70
  6. Step 6: Final answer
    x = 719,461.35

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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.