Home / 1,230,306.21-1,845,459.27-388,792.35

Finding the Fourth Proportional to 1,230,306.21, 1,845,459.27 and 388,792.35

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Solution

The fourth proportional to 1,230,306.21, 1,845,459.27 and 388,792.35 is: 583,188.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,306.21 : 1,845,459.27 = 388,792.35 : x
  2. Step 2: Convert to fraction form
    1,230,306.21/1,845,459.27 = 388,792.35/x
  3. Step 3: Cross multiply
    1,230,306.21x = 1,845,459.27 × 388,792.35
  4. Step 4: Simplify right side
    1,230,306.21x = 717,500,446,412.59
  5. Step 5: Solve for x
    x = 717,500,446,412.59/1,230,306.21
  6. Step 6: Final answer
    x = 583,188.51

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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.