Home / 1,630,819.49-2,250,560.93-905,734.85

Finding the Fourth Proportional to 1,630,819.49, 2,250,560.93 and 905,734.85

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Solution

The fourth proportional to 1,630,819.49, 2,250,560.93 and 905,734.85 is: 1,249,930.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,819.49 : 2,250,560.93 = 905,734.85 : x
  2. Step 2: Convert to fraction form
    1,630,819.49/2,250,560.93 = 905,734.85/x
  3. Step 3: Cross multiply
    1,630,819.49x = 2,250,560.93 × 905,734.85
  4. Step 4: Simplify right side
    1,630,819.49x = 2,038,411,450,567.93
  5. Step 5: Solve for x
    x = 2,038,411,450,567.93/1,630,819.49
  6. Step 6: Final answer
    x = 1,249,930.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.