Home / 1,158,117.63-1,737,408.63-399,986.90

Finding the Fourth Proportional to 1,158,117.63, 1,737,408.63 and 399,986.90

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Solution

The fourth proportional to 1,158,117.63, 1,737,408.63 and 399,986.90 is: 600,060.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,117.63 : 1,737,408.63 = 399,986.90 : x
  2. Step 2: Convert to fraction form
    1,158,117.63/1,737,408.63 = 399,986.90/x
  3. Step 3: Cross multiply
    1,158,117.63x = 1,737,408.63 × 399,986.90
  4. Step 4: Simplify right side
    1,158,117.63x = 694,940,691,946.95
  5. Step 5: Solve for x
    x = 694,940,691,946.95/1,158,117.63
  6. Step 6: Final answer
    x = 600,060.54

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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.