Home / 1,028,953.82-1,543,431.34-429,588.24

Finding the Fourth Proportional to 1,028,953.82, 1,543,431.34 and 429,588.24

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Solution

The fourth proportional to 1,028,953.82, 1,543,431.34 and 429,588.24 is: 644,382.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,953.82 : 1,543,431.34 = 429,588.24 : x
  2. Step 2: Convert to fraction form
    1,028,953.82/1,543,431.34 = 429,588.24/x
  3. Step 3: Cross multiply
    1,028,953.82x = 1,543,431.34 × 429,588.24
  4. Step 4: Simplify right side
    1,028,953.82x = 663,039,952,911.44
  5. Step 5: Solve for x
    x = 663,039,952,911.44/1,028,953.82
  6. Step 6: Final answer
    x = 644,382.61

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Double scale
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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.