Home / 1,029,167.46-1,543,313.79-421,536.87

Finding the Fourth Proportional to 1,029,167.46, 1,543,313.79 and 421,536.87

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Solution

The fourth proportional to 1,029,167.46, 1,543,313.79 and 421,536.87 is: 632,126.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,167.46 : 1,543,313.79 = 421,536.87 : x
  2. Step 2: Convert to fraction form
    1,029,167.46/1,543,313.79 = 421,536.87/x
  3. Step 3: Cross multiply
    1,029,167.46x = 1,543,313.79 × 421,536.87
  4. Step 4: Simplify right side
    1,029,167.46x = 650,563,664,464.44
  5. Step 5: Solve for x
    x = 650,563,664,464.44/1,029,167.46
  6. Step 6: Final answer
    x = 632,126.15

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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.