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Finding the Fourth Proportional to 1,739,567.34, 2,400,734.42 and 965,344.77

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Solution

The fourth proportional to 1,739,567.34, 2,400,734.42 and 965,344.77 is: 1,332,248.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739,567.34 : 2,400,734.42 = 965,344.77 : x
  2. Step 2: Convert to fraction form
    1,739,567.34/2,400,734.42 = 965,344.77/x
  3. Step 3: Cross multiply
    1,739,567.34x = 2,400,734.42 × 965,344.77
  4. Step 4: Simplify right side
    1,739,567.34x = 2,317,536,416,505.98
  5. Step 5: Solve for x
    x = 2,317,536,416,505.98/1,739,567.34
  6. Step 6: Final answer
    x = 1,332,248.75

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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.