Home / 1,029,284.40-1,420,416.60-576,575.76

Finding the Fourth Proportional to 1,029,284.40, 1,420,416.60 and 576,575.76

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Solution

The fourth proportional to 1,029,284.40, 1,420,416.60 and 576,575.76 is: 795,676.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,284.40 : 1,420,416.60 = 576,575.76 : x
  2. Step 2: Convert to fraction form
    1,029,284.40/1,420,416.60 = 576,575.76/x
  3. Step 3: Cross multiply
    1,029,284.40x = 1,420,416.60 × 576,575.76
  4. Step 4: Simplify right side
    1,029,284.40x = 818,977,780,661.62
  5. Step 5: Solve for x
    x = 818,977,780,661.62/1,029,284.40
  6. Step 6: Final answer
    x = 795,676.86

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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.