Home / 1,229,962.57-1,845,476.71-660,679.49

Finding the Fourth Proportional to 1,229,962.57, 1,845,476.71 and 660,679.49

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Solution

The fourth proportional to 1,229,962.57, 1,845,476.71 and 660,679.49 is: 991,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,962.57 : 1,845,476.71 = 660,679.49 : x
  2. Step 2: Convert to fraction form
    1,229,962.57/1,845,476.71 = 660,679.49/x
  3. Step 3: Cross multiply
    1,229,962.57x = 1,845,476.71 × 660,679.49
  4. Step 4: Simplify right side
    1,229,962.57x = 1,219,268,607,867.19
  5. Step 5: Solve for x
    x = 1,219,268,607,867.19/1,229,962.57
  6. Step 6: Final answer
    x = 991,305.45

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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.