Home / 1,302,081.12-1,954,384.20-628,637.40

Finding the Fourth Proportional to 1,302,081.12, 1,954,384.20 and 628,637.40

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Solution

The fourth proportional to 1,302,081.12, 1,954,384.20 and 628,637.40 is: 943,565.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,081.12 : 1,954,384.20 = 628,637.40 : x
  2. Step 2: Convert to fraction form
    1,302,081.12/1,954,384.20 = 628,637.40/x
  3. Step 3: Cross multiply
    1,302,081.12x = 1,954,384.20 × 628,637.40
  4. Step 4: Simplify right side
    1,302,081.12x = 1,228,599,002,089.08
  5. Step 5: Solve for x
    x = 1,228,599,002,089.08/1,302,081.12
  6. Step 6: Final answer
    x = 943,565.64

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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.