Home / 1,309,763.46-1,964,972.09-456,847.39

Finding the Fourth Proportional to 1,309,763.46, 1,964,972.09 and 456,847.39

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Solution

The fourth proportional to 1,309,763.46, 1,964,972.09 and 456,847.39 is: 685,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,763.46 : 1,964,972.09 = 456,847.39 : x
  2. Step 2: Convert to fraction form
    1,309,763.46/1,964,972.09 = 456,847.39/x
  3. Step 3: Cross multiply
    1,309,763.46x = 1,964,972.09 × 456,847.39
  4. Step 4: Simplify right side
    1,309,763.46x = 897,692,358,630.25
  5. Step 5: Solve for x
    x = 897,692,358,630.25/1,309,763.46
  6. Step 6: Final answer
    x = 685,385.10

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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.