Home / 1,224,000.16-1,836,311.69-718,988.25

Finding the Fourth Proportional to 1,224,000.16, 1,836,311.69 and 718,988.25

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Solution

The fourth proportional to 1,224,000.16, 1,836,311.69 and 718,988.25 is: 1,078,665.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,000.16 : 1,836,311.69 = 718,988.25 : x
  2. Step 2: Convert to fraction form
    1,224,000.16/1,836,311.69 = 718,988.25/x
  3. Step 3: Cross multiply
    1,224,000.16x = 1,836,311.69 × 718,988.25
  4. Step 4: Simplify right side
    1,224,000.16x = 1,320,286,515,671.14
  5. Step 5: Solve for x
    x = 1,320,286,515,671.14/1,224,000.16
  6. Step 6: Final answer
    x = 1,078,665.31

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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.