Home / 1,129,962.40-1,693,561.20-498,205.60

Finding the Fourth Proportional to 1,129,962.40, 1,693,561.20 and 498,205.60

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Solution

The fourth proportional to 1,129,962.40, 1,693,561.20 and 498,205.60 is: 746,698.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,962.40 : 1,693,561.20 = 498,205.60 : x
  2. Step 2: Convert to fraction form
    1,129,962.40/1,693,561.20 = 498,205.60/x
  3. Step 3: Cross multiply
    1,129,962.40x = 1,693,561.20 × 498,205.60
  4. Step 4: Simplify right side
    1,129,962.40x = 843,741,673,782.72
  5. Step 5: Solve for x
    x = 843,741,673,782.72/1,129,962.40
  6. Step 6: Final answer
    x = 746,698.89

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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.