Home / 1,087,353.96-1,630,698-518,435.04

Finding the Fourth Proportional to 1,087,353.96, 1,630,698 and 518,435.04

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Solution

The fourth proportional to 1,087,353.96, 1,630,698 and 518,435.04 is: 777,493.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,353.96 : 1,630,698 = 518,435.04 : x
  2. Step 2: Convert to fraction form
    1,087,353.96/1,630,698 = 518,435.04/x
  3. Step 3: Cross multiply
    1,087,353.96x = 1,630,698 × 518,435.04
  4. Step 4: Simplify right side
    1,087,353.96x = 845,410,982,857.92
  5. Step 5: Solve for x
    x = 845,410,982,857.92/1,087,353.96
  6. Step 6: Final answer
    x = 777,493.82

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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.