Home / 1,246,259.82-1,869,389.73-299,630.55

Finding the Fourth Proportional to 1,246,259.82, 1,869,389.73 and 299,630.55

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Solution

The fourth proportional to 1,246,259.82, 1,869,389.73 and 299,630.55 is: 449,445.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,259.82 : 1,869,389.73 = 299,630.55 : x
  2. Step 2: Convert to fraction form
    1,246,259.82/1,869,389.73 = 299,630.55/x
  3. Step 3: Cross multiply
    1,246,259.82x = 1,869,389.73 × 299,630.55
  4. Step 4: Simplify right side
    1,246,259.82x = 560,126,272,964.25
  5. Step 5: Solve for x
    x = 560,126,272,964.25/1,246,259.82
  6. Step 6: Final answer
    x = 449,445.83

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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.