Home / 1,323,962-1,827,106.44-720,388.88

Finding the Fourth Proportional to 1,323,962, 1,827,106.44 and 720,388.88

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Solution

The fourth proportional to 1,323,962, 1,827,106.44 and 720,388.88 is: 994,157.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,962 : 1,827,106.44 = 720,388.88 : x
  2. Step 2: Convert to fraction form
    1,323,962/1,827,106.44 = 720,388.88/x
  3. Step 3: Cross multiply
    1,323,962x = 1,827,106.44 × 720,388.88
  4. Step 4: Simplify right side
    1,323,962x = 1,316,227,161,952.39
  5. Step 5: Solve for x
    x = 1,316,227,161,952.39/1,323,962
  6. Step 6: Final answer
    x = 994,157.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.