Home / 1,246,259.70-1,869,389.56-299,630.42

Finding the Fourth Proportional to 1,246,259.70, 1,869,389.56 and 299,630.42

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Solution

The fourth proportional to 1,246,259.70, 1,869,389.56 and 299,630.42 is: 449,445.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,259.70 : 1,869,389.56 = 299,630.42 : x
  2. Step 2: Convert to fraction form
    1,246,259.70/1,869,389.56 = 299,630.42/x
  3. Step 3: Cross multiply
    1,246,259.70x = 1,869,389.56 × 299,630.42
  4. Step 4: Simplify right side
    1,246,259.70x = 560,125,979,006.42
  5. Step 5: Solve for x
    x = 560,125,979,006.42/1,246,259.70
  6. Step 6: Final answer
    x = 449,445.63

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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.