Home / 1,395,013.72-2,092,540.02-397,741.72

Finding the Fourth Proportional to 1,395,013.72, 2,092,540.02 and 397,741.72

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Solution

The fourth proportional to 1,395,013.72, 2,092,540.02 and 397,741.72 is: 596,618.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,013.72 : 2,092,540.02 = 397,741.72 : x
  2. Step 2: Convert to fraction form
    1,395,013.72/2,092,540.02 = 397,741.72/x
  3. Step 3: Cross multiply
    1,395,013.72x = 2,092,540.02 × 397,741.72
  4. Step 4: Simplify right side
    1,395,013.72x = 832,290,466,723.63
  5. Step 5: Solve for x
    x = 832,290,466,723.63/1,395,013.72
  6. Step 6: Final answer
    x = 596,618.12

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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.