Home / 1,367,551.14-2,051,353.10-420,920.88

Finding the Fourth Proportional to 1,367,551.14, 2,051,353.10 and 420,920.88

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Solution

The fourth proportional to 1,367,551.14, 2,051,353.10 and 420,920.88 is: 631,389.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,551.14 : 2,051,353.10 = 420,920.88 : x
  2. Step 2: Convert to fraction form
    1,367,551.14/2,051,353.10 = 420,920.88/x
  3. Step 3: Cross multiply
    1,367,551.14x = 2,051,353.10 × 420,920.88
  4. Step 4: Simplify right side
    1,367,551.14x = 863,457,352,042.73
  5. Step 5: Solve for x
    x = 863,457,352,042.73/1,367,551.14
  6. Step 6: Final answer
    x = 631,389.44

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1.5x scale

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.