Home / 1,115,311.78-1,672,964.31-316,594

Finding the Fourth Proportional to 1,115,311.78, 1,672,964.31 and 316,594

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Solution

The fourth proportional to 1,115,311.78, 1,672,964.31 and 316,594 is: 474,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,311.78 : 1,672,964.31 = 316,594 : x
  2. Step 2: Convert to fraction form
    1,115,311.78/1,672,964.31 = 316,594/x
  3. Step 3: Cross multiply
    1,115,311.78x = 1,672,964.31 × 316,594
  4. Step 4: Simplify right side
    1,115,311.78x = 529,650,462,760.14
  5. Step 5: Solve for x
    x = 529,650,462,760.14/1,115,311.78
  6. Step 6: Final answer
    x = 474,890.05

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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.