Home / 1,330,807.37-1,996,782.92-432,524.39

Finding the Fourth Proportional to 1,330,807.37, 1,996,782.92 and 432,524.39

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Solution

The fourth proportional to 1,330,807.37, 1,996,782.92 and 432,524.39 is: 648,972.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,807.37 : 1,996,782.92 = 432,524.39 : x
  2. Step 2: Convert to fraction form
    1,330,807.37/1,996,782.92 = 432,524.39/x
  3. Step 3: Cross multiply
    1,330,807.37x = 1,996,782.92 × 432,524.39
  4. Step 4: Simplify right side
    1,330,807.37x = 863,657,314,435.42
  5. Step 5: Solve for x
    x = 863,657,314,435.42/1,330,807.37
  6. Step 6: Final answer
    x = 648,972.45

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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.