Home / 1,391,315.52-2,086,637.61-581,262.35

Finding the Fourth Proportional to 1,391,315.52, 2,086,637.61 and 581,262.35

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Solution

The fourth proportional to 1,391,315.52, 2,086,637.61 and 581,262.35 is: 871,753.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,315.52 : 2,086,637.61 = 581,262.35 : x
  2. Step 2: Convert to fraction form
    1,391,315.52/2,086,637.61 = 581,262.35/x
  3. Step 3: Cross multiply
    1,391,315.52x = 2,086,637.61 × 581,262.35
  4. Step 4: Simplify right side
    1,391,315.52x = 1,212,883,880,786.98
  5. Step 5: Solve for x
    x = 1,212,883,880,786.98/1,391,315.52
  6. Step 6: Final answer
    x = 871,753.29

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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.