Home / 1,234,400.40-1,850,434.20-729,349.20

Finding the Fourth Proportional to 1,234,400.40, 1,850,434.20 and 729,349.20

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Solution

The fourth proportional to 1,234,400.40, 1,850,434.20 and 729,349.20 is: 1,093,334.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,400.40 : 1,850,434.20 = 729,349.20 : x
  2. Step 2: Convert to fraction form
    1,234,400.40/1,850,434.20 = 729,349.20/x
  3. Step 3: Cross multiply
    1,234,400.40x = 1,850,434.20 × 729,349.20
  4. Step 4: Simplify right side
    1,234,400.40x = 1,349,612,703,422.64
  5. Step 5: Solve for x
    x = 1,349,612,703,422.64/1,234,400.40
  6. Step 6: Final answer
    x = 1,093,334.63

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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.