Home / 1,158,127.12-1,737,422.90-399,996.40

Finding the Fourth Proportional to 1,158,127.12, 1,737,422.90 and 399,996.40

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Solution

The fourth proportional to 1,158,127.12, 1,737,422.90 and 399,996.40 is: 600,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,127.12 : 1,737,422.90 = 399,996.40 : x
  2. Step 2: Convert to fraction form
    1,158,127.12/1,737,422.90 = 399,996.40/x
  3. Step 3: Cross multiply
    1,158,127.12x = 1,737,422.90 × 399,996.40
  4. Step 4: Simplify right side
    1,158,127.12x = 694,962,905,277.56
  5. Step 5: Solve for x
    x = 694,962,905,277.56/1,158,127.12
  6. Step 6: Final answer
    x = 600,074.80

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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.