Home / 1,236,667.80-1,855,001.70-917,803.20

Finding the Fourth Proportional to 1,236,667.80, 1,855,001.70 and 917,803.20

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Solution

The fourth proportional to 1,236,667.80, 1,855,001.70 and 917,803.20 is: 1,376,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,667.80 : 1,855,001.70 = 917,803.20 : x
  2. Step 2: Convert to fraction form
    1,236,667.80/1,855,001.70 = 917,803.20/x
  3. Step 3: Cross multiply
    1,236,667.80x = 1,855,001.70 × 917,803.20
  4. Step 4: Simplify right side
    1,236,667.80x = 1,702,526,496,265.44
  5. Step 5: Solve for x
    x = 1,702,526,496,265.44/1,236,667.80
  6. Step 6: Final answer
    x = 1,376,704.80

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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.