Home / 1,115,963.92-1,672,962.94-442,518.58

Finding the Fourth Proportional to 1,115,963.92, 1,672,962.94 and 442,518.58

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Solution

The fourth proportional to 1,115,963.92, 1,672,962.94 and 442,518.58 is: 663,388.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,963.92 : 1,672,962.94 = 442,518.58 : x
  2. Step 2: Convert to fraction form
    1,115,963.92/1,672,962.94 = 442,518.58/x
  3. Step 3: Cross multiply
    1,115,963.92x = 1,672,962.94 × 442,518.58
  4. Step 4: Simplify right side
    1,115,963.92x = 740,317,184,601.43
  5. Step 5: Solve for x
    x = 740,317,184,601.43/1,115,963.92
  6. Step 6: Final answer
    x = 663,388.10

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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.