Home / 1,227,013.36-1,840,298.43-428,523.27

Finding the Fourth Proportional to 1,227,013.36, 1,840,298.43 and 428,523.27

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Solution

The fourth proportional to 1,227,013.36, 1,840,298.43 and 428,523.27 is: 642,707.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,013.36 : 1,840,298.43 = 428,523.27 : x
  2. Step 2: Convert to fraction form
    1,227,013.36/1,840,298.43 = 428,523.27/x
  3. Step 3: Cross multiply
    1,227,013.36x = 1,840,298.43 × 428,523.27
  4. Step 4: Simplify right side
    1,227,013.36x = 788,610,700,999.47
  5. Step 5: Solve for x
    x = 788,610,700,999.47/1,227,013.36
  6. Step 6: Final answer
    x = 642,707.51

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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.