Home / 1,115,026.20-1,672,602.75-316,244.57

Finding the Fourth Proportional to 1,115,026.20, 1,672,602.75 and 316,244.57

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Solution

The fourth proportional to 1,115,026.20, 1,672,602.75 and 316,244.57 is: 474,384.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,026.20 : 1,672,602.75 = 316,244.57 : x
  2. Step 2: Convert to fraction form
    1,115,026.20/1,672,602.75 = 316,244.57/x
  3. Step 3: Cross multiply
    1,115,026.20x = 1,672,602.75 × 316,244.57
  4. Step 4: Simplify right side
    1,115,026.20x = 528,951,529,091.55
  5. Step 5: Solve for x
    x = 528,951,529,091.55/1,115,026.20
  6. Step 6: Final answer
    x = 474,384.84

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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.