Home / 1,284,741.70-1,925,110.95-485,587.30

Finding the Fourth Proportional to 1,284,741.70, 1,925,110.95 and 485,587.30

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Solution

The fourth proportional to 1,284,741.70, 1,925,110.95 and 485,587.30 is: 727,624.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,741.70 : 1,925,110.95 = 485,587.30 : x
  2. Step 2: Convert to fraction form
    1,284,741.70/1,925,110.95 = 485,587.30/x
  3. Step 3: Cross multiply
    1,284,741.70x = 1,925,110.95 × 485,587.30
  4. Step 4: Simplify right side
    1,284,741.70x = 934,809,428,410.94
  5. Step 5: Solve for x
    x = 934,809,428,410.94/1,284,741.70
  6. Step 6: Final answer
    x = 727,624.42

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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.