Home / 1,028,593.96-1,543,137.27-429,221.70

Finding the Fourth Proportional to 1,028,593.96, 1,543,137.27 and 429,221.70

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Solution

The fourth proportional to 1,028,593.96, 1,543,137.27 and 429,221.70 is: 643,935.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,593.96 : 1,543,137.27 = 429,221.70 : x
  2. Step 2: Convert to fraction form
    1,028,593.96/1,543,137.27 = 429,221.70/x
  3. Step 3: Cross multiply
    1,028,593.96x = 1,543,137.27 × 429,221.70
  4. Step 4: Simplify right side
    1,028,593.96x = 662,348,002,362.76
  5. Step 5: Solve for x
    x = 662,348,002,362.76/1,028,593.96
  6. Step 6: Final answer
    x = 643,935.34

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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.