Home / 1,315,979.20-1,974,429.60-568,561.60

Finding the Fourth Proportional to 1,315,979.20, 1,974,429.60 and 568,561.60

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Solution

The fourth proportional to 1,315,979.20, 1,974,429.60 and 568,561.60 is: 853,041.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,979.20 : 1,974,429.60 = 568,561.60 : x
  2. Step 2: Convert to fraction form
    1,315,979.20/1,974,429.60 = 568,561.60/x
  3. Step 3: Cross multiply
    1,315,979.20x = 1,974,429.60 × 568,561.60
  4. Step 4: Simplify right side
    1,315,979.20x = 1,122,584,852,463.36
  5. Step 5: Solve for x
    x = 1,122,584,852,463.36/1,315,979.20
  6. Step 6: Final answer
    x = 853,041.49

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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.