Home / 1,425,647.66-2,138,023.84-465,884.42

Finding the Fourth Proportional to 1,425,647.66, 2,138,023.84 and 465,884.42

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Solution

The fourth proportional to 1,425,647.66, 2,138,023.84 and 465,884.42 is: 698,680.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,647.66 : 2,138,023.84 = 465,884.42 : x
  2. Step 2: Convert to fraction form
    1,425,647.66/2,138,023.84 = 465,884.42/x
  3. Step 3: Cross multiply
    1,425,647.66x = 2,138,023.84 × 465,884.42
  4. Step 4: Simplify right side
    1,425,647.66x = 996,072,002,661.71
  5. Step 5: Solve for x
    x = 996,072,002,661.71/1,425,647.66
  6. Step 6: Final answer
    x = 698,680.35

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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.