Home / 1,013,239.75-1,398,086.00-577,638.56

Finding the Fourth Proportional to 1,013,239.75, 1,398,086.00 and 577,638.56

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Solution

The fourth proportional to 1,013,239.75, 1,398,086.00 and 577,638.56 is: 797,035.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,239.75 : 1,398,086.00 = 577,638.56 : x
  2. Step 2: Convert to fraction form
    1,013,239.75/1,398,086.00 = 577,638.56/x
  3. Step 3: Cross multiply
    1,013,239.75x = 1,398,086.00 × 577,638.56
  4. Step 4: Simplify right side
    1,013,239.75x = 807,588,381,326.50
  5. Step 5: Solve for x
    x = 807,588,381,326.50/1,013,239.75
  6. Step 6: Final answer
    x = 797,035.83

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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.