Home / 1,161,788.13-1,743,364.29-487,817.61

Finding the Fourth Proportional to 1,161,788.13, 1,743,364.29 and 487,817.61

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Solution

The fourth proportional to 1,161,788.13, 1,743,364.29 and 487,817.61 is: 732,012.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,788.13 : 1,743,364.29 = 487,817.61 : x
  2. Step 2: Convert to fraction form
    1,161,788.13/1,743,364.29 = 487,817.61/x
  3. Step 3: Cross multiply
    1,161,788.13x = 1,743,364.29 × 487,817.61
  4. Step 4: Simplify right side
    1,161,788.13x = 850,443,801,307.15
  5. Step 5: Solve for x
    x = 850,443,801,307.15/1,161,788.13
  6. Step 6: Final answer
    x = 732,012.82

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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.