Home / 1,316,028.80-1,974,964.80-568,611.20

Finding the Fourth Proportional to 1,316,028.80, 1,974,964.80 and 568,611.20

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Solution

The fourth proportional to 1,316,028.80, 1,974,964.80 and 568,611.20 is: 853,314.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,028.80 : 1,974,964.80 = 568,611.20 : x
  2. Step 2: Convert to fraction form
    1,316,028.80/1,974,964.80 = 568,611.20/x
  3. Step 3: Cross multiply
    1,316,028.80x = 1,974,964.80 × 568,611.20
  4. Step 4: Simplify right side
    1,316,028.80x = 1,122,987,104,885.76
  5. Step 5: Solve for x
    x = 1,122,987,104,885.76/1,316,028.80
  6. Step 6: Final answer
    x = 853,314.99

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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.