Home / 1,728,646.43-2,592,948.78-449,140.68

Finding the Fourth Proportional to 1,728,646.43, 2,592,948.78 and 449,140.68

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Solution

The fourth proportional to 1,728,646.43, 2,592,948.78 and 449,140.68 is: 673,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,646.43 : 2,592,948.78 = 449,140.68 : x
  2. Step 2: Convert to fraction form
    1,728,646.43/2,592,948.78 = 449,140.68/x
  3. Step 3: Cross multiply
    1,728,646.43x = 2,592,948.78 × 449,140.68
  4. Step 4: Simplify right side
    1,728,646.43x = 1,164,598,778,254.37
  5. Step 5: Solve for x
    x = 1,164,598,778,254.37/1,728,646.43
  6. Step 6: Final answer
    x = 673,705.60

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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.