Home / 1,296,802.56-1,946,057.28-455,331.84

Finding the Fourth Proportional to 1,296,802.56, 1,946,057.28 and 455,331.84

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Solution

The fourth proportional to 1,296,802.56, 1,946,057.28 and 455,331.84 is: 683,297.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,802.56 : 1,946,057.28 = 455,331.84 : x
  2. Step 2: Convert to fraction form
    1,296,802.56/1,946,057.28 = 455,331.84/x
  3. Step 3: Cross multiply
    1,296,802.56x = 1,946,057.28 × 455,331.84
  4. Step 4: Simplify right side
    1,296,802.56x = 886,101,842,047.80
  5. Step 5: Solve for x
    x = 886,101,842,047.80/1,296,802.56
  6. Step 6: Final answer
    x = 683,297.42

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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.