Home / 1,185,836.41-1,778,748.22-287,277.69

Finding the Fourth Proportional to 1,185,836.41, 1,778,748.22 and 287,277.69

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Solution

The fourth proportional to 1,185,836.41, 1,778,748.22 and 287,277.69 is: 430,914.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,836.41 : 1,778,748.22 = 287,277.69 : x
  2. Step 2: Convert to fraction form
    1,185,836.41/1,778,748.22 = 287,277.69/x
  3. Step 3: Cross multiply
    1,185,836.41x = 1,778,748.22 × 287,277.69
  4. Step 4: Simplify right side
    1,185,836.41x = 510,994,679,733.21
  5. Step 5: Solve for x
    x = 510,994,679,733.21/1,185,836.41
  6. Step 6: Final answer
    x = 430,914.99

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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.