Home / 1,022,661.56-1,533,992.29-312,689.54

Finding the Fourth Proportional to 1,022,661.56, 1,533,992.29 and 312,689.54

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Solution

The fourth proportional to 1,022,661.56, 1,533,992.29 and 312,689.54 is: 469,034.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,661.56 : 1,533,992.29 = 312,689.54 : x
  2. Step 2: Convert to fraction form
    1,022,661.56/1,533,992.29 = 312,689.54/x
  3. Step 3: Cross multiply
    1,022,661.56x = 1,533,992.29 × 312,689.54
  4. Step 4: Simplify right side
    1,022,661.56x = 479,663,343,523.65
  5. Step 5: Solve for x
    x = 479,663,343,523.65/1,022,661.56
  6. Step 6: Final answer
    x = 469,034.29

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1.5x scale

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.