Home / 1,436,001.80-2,155,752.30-725,664.20

Finding the Fourth Proportional to 1,436,001.80, 2,155,752.30 and 725,664.20

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Solution

The fourth proportional to 1,436,001.80, 2,155,752.30 and 725,664.20 is: 1,089,380.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,001.80 : 2,155,752.30 = 725,664.20 : x
  2. Step 2: Convert to fraction form
    1,436,001.80/2,155,752.30 = 725,664.20/x
  3. Step 3: Cross multiply
    1,436,001.80x = 2,155,752.30 × 725,664.20
  4. Step 4: Simplify right side
    1,436,001.80x = 1,564,352,268,177.66
  5. Step 5: Solve for x
    x = 1,564,352,268,177.66/1,436,001.80
  6. Step 6: Final answer
    x = 1,089,380.44

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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.