Home / 1,087,230.89-1,630,126.50-518,699.73

Finding the Fourth Proportional to 1,087,230.89, 1,630,126.50 and 518,699.73

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Solution

The fourth proportional to 1,087,230.89, 1,630,126.50 and 518,699.73 is: 777,706.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,230.89 : 1,630,126.50 = 518,699.73 : x
  2. Step 2: Convert to fraction form
    1,087,230.89/1,630,126.50 = 518,699.73/x
  3. Step 3: Cross multiply
    1,087,230.89x = 1,630,126.50 × 518,699.73
  4. Step 4: Simplify right side
    1,087,230.89x = 845,546,175,415.85
  5. Step 5: Solve for x
    x = 845,546,175,415.85/1,087,230.89
  6. Step 6: Final answer
    x = 777,706.17

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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.