Home / 1,154,203.35-1,731,305.09-312,755.10

Finding the Fourth Proportional to 1,154,203.35, 1,731,305.09 and 312,755.10

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Solution

The fourth proportional to 1,154,203.35, 1,731,305.09 and 312,755.10 is: 469,132.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,203.35 : 1,731,305.09 = 312,755.10 : x
  2. Step 2: Convert to fraction form
    1,154,203.35/1,731,305.09 = 312,755.10/x
  3. Step 3: Cross multiply
    1,154,203.35x = 1,731,305.09 × 312,755.10
  4. Step 4: Simplify right side
    1,154,203.35x = 541,474,496,553.46
  5. Step 5: Solve for x
    x = 541,474,496,553.46/1,154,203.35
  6. Step 6: Final answer
    x = 469,132.67

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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.