Home / 1,213,303.20-1,819,954.80-326,839.20

Finding the Fourth Proportional to 1,213,303.20, 1,819,954.80 and 326,839.20

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Solution

The fourth proportional to 1,213,303.20, 1,819,954.80 and 326,839.20 is: 490,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,303.20 : 1,819,954.80 = 326,839.20 : x
  2. Step 2: Convert to fraction form
    1,213,303.20/1,819,954.80 = 326,839.20/x
  3. Step 3: Cross multiply
    1,213,303.20x = 1,819,954.80 × 326,839.20
  4. Step 4: Simplify right side
    1,213,303.20x = 594,832,570,868.16
  5. Step 5: Solve for x
    x = 594,832,570,868.16/1,213,303.20
  6. Step 6: Final answer
    x = 490,258.80

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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.