Home / 1,515,466.53-2,091,333.53-836,403.03

Finding the Fourth Proportional to 1,515,466.53, 2,091,333.53 and 836,403.03

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Solution

The fourth proportional to 1,515,466.53, 2,091,333.53 and 836,403.03 is: 1,154,230.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,466.53 : 2,091,333.53 = 836,403.03 : x
  2. Step 2: Convert to fraction form
    1,515,466.53/2,091,333.53 = 836,403.03/x
  3. Step 3: Cross multiply
    1,515,466.53x = 2,091,333.53 × 836,403.03
  4. Step 4: Simplify right side
    1,515,466.53x = 1,749,197,703,323.60
  5. Step 5: Solve for x
    x = 1,749,197,703,323.60/1,515,466.53
  6. Step 6: Final answer
    x = 1,154,230.51

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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.