Home / 1,365,272.18-2,049,166.12-691,830.60

Finding the Fourth Proportional to 1,365,272.18, 2,049,166.12 and 691,830.60

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Solution

The fourth proportional to 1,365,272.18, 2,049,166.12 and 691,830.60 is: 1,038,383.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,272.18 : 2,049,166.12 = 691,830.60 : x
  2. Step 2: Convert to fraction form
    1,365,272.18/2,049,166.12 = 691,830.60/x
  3. Step 3: Cross multiply
    1,365,272.18x = 2,049,166.12 × 691,830.60
  4. Step 4: Simplify right side
    1,365,272.18x = 1,417,675,826,299.27
  5. Step 5: Solve for x
    x = 1,417,675,826,299.27/1,365,272.18
  6. Step 6: Final answer
    x = 1,038,383.30

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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.