Home / 1,147,601.20-1,721,466.60-348,908.80

Finding the Fourth Proportional to 1,147,601.20, 1,721,466.60 and 348,908.80

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Solution

The fourth proportional to 1,147,601.20, 1,721,466.60 and 348,908.80 is: 523,382.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,601.20 : 1,721,466.60 = 348,908.80 : x
  2. Step 2: Convert to fraction form
    1,147,601.20/1,721,466.60 = 348,908.80/x
  3. Step 3: Cross multiply
    1,147,601.20x = 1,721,466.60 × 348,908.80
  4. Step 4: Simplify right side
    1,147,601.20x = 600,634,845,646.08
  5. Step 5: Solve for x
    x = 600,634,845,646.08/1,147,601.20
  6. Step 6: Final answer
    x = 523,382.90

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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.