Home / 1,025,649.72-1,538,924.94-545,764.41

Finding the Fourth Proportional to 1,025,649.72, 1,538,924.94 and 545,764.41

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Solution

The fourth proportional to 1,025,649.72, 1,538,924.94 and 545,764.41 is: 818,886.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,649.72 : 1,538,924.94 = 545,764.41 : x
  2. Step 2: Convert to fraction form
    1,025,649.72/1,538,924.94 = 545,764.41/x
  3. Step 3: Cross multiply
    1,025,649.72x = 1,538,924.94 × 545,764.41
  4. Step 4: Simplify right side
    1,025,649.72x = 839,890,461,913.39
  5. Step 5: Solve for x
    x = 839,890,461,913.39/1,025,649.72
  6. Step 6: Final answer
    x = 818,886.26

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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.