Home / 1,115,313.78-1,672,967.34-316,596

Finding the Fourth Proportional to 1,115,313.78, 1,672,967.34 and 316,596

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Solution

The fourth proportional to 1,115,313.78, 1,672,967.34 and 316,596 is: 474,893.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,313.78 : 1,672,967.34 = 316,596 : x
  2. Step 2: Convert to fraction form
    1,115,313.78/1,672,967.34 = 316,596/x
  3. Step 3: Cross multiply
    1,115,313.78x = 1,672,967.34 × 316,596
  4. Step 4: Simplify right side
    1,115,313.78x = 529,654,767,974.64
  5. Step 5: Solve for x
    x = 529,654,767,974.64/1,115,313.78
  6. Step 6: Final answer
    x = 474,893.05

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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.