Home / 1,448,350.65-1,998,261.54-836,422.61

Finding the Fourth Proportional to 1,448,350.65, 1,998,261.54 and 836,422.61

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Solution

The fourth proportional to 1,448,350.65, 1,998,261.54 and 836,422.61 is: 1,153,996.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,350.65 : 1,998,261.54 = 836,422.61 : x
  2. Step 2: Convert to fraction form
    1,448,350.65/1,998,261.54 = 836,422.61/x
  3. Step 3: Cross multiply
    1,448,350.65x = 1,998,261.54 × 836,422.61
  4. Step 4: Simplify right side
    1,448,350.65x = 1,671,391,122,758.11
  5. Step 5: Solve for x
    x = 1,671,391,122,758.11/1,448,350.65
  6. Step 6: Final answer
    x = 1,153,996.18

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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.