Home / 1,448,346.72-1,998,256.13-836,418.66

Finding the Fourth Proportional to 1,448,346.72, 1,998,256.13 and 836,418.66

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Solution

The fourth proportional to 1,448,346.72, 1,998,256.13 and 836,418.66 is: 1,153,990.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,346.72 : 1,998,256.13 = 836,418.66 : x
  2. Step 2: Convert to fraction form
    1,448,346.72/1,998,256.13 = 836,418.66/x
  3. Step 3: Cross multiply
    1,448,346.72x = 1,998,256.13 × 836,418.66
  4. Step 4: Simplify right side
    1,448,346.72x = 1,671,378,706,052.40
  5. Step 5: Solve for x
    x = 1,671,378,706,052.40/1,448,346.72
  6. Step 6: Final answer
    x = 1,153,990.74

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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.