Home / 1,257,692.52-1,735,615.92-684,732.72

Finding the Fourth Proportional to 1,257,692.52, 1,735,615.92 and 684,732.72

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Solution

The fourth proportional to 1,257,692.52, 1,735,615.92 and 684,732.72 is: 944,931.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,692.52 : 1,735,615.92 = 684,732.72 : x
  2. Step 2: Convert to fraction form
    1,257,692.52/1,735,615.92 = 684,732.72/x
  3. Step 3: Cross multiply
    1,257,692.52x = 1,735,615.92 × 684,732.72
  4. Step 4: Simplify right side
    1,257,692.52x = 1,188,433,009,776.90
  5. Step 5: Solve for x
    x = 1,188,433,009,776.90/1,257,692.52
  6. Step 6: Final answer
    x = 944,931.29

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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.