Home / 1,115,812.97-1,674,432.26-405,773.45

Finding the Fourth Proportional to 1,115,812.97, 1,674,432.26 and 405,773.45

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Solution

The fourth proportional to 1,115,812.97, 1,674,432.26 and 405,773.45 is: 608,919.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,812.97 : 1,674,432.26 = 405,773.45 : x
  2. Step 2: Convert to fraction form
    1,115,812.97/1,674,432.26 = 405,773.45/x
  3. Step 3: Cross multiply
    1,115,812.97x = 1,674,432.26 × 405,773.45
  4. Step 4: Simplify right side
    1,115,812.97x = 679,440,152,902.63
  5. Step 5: Solve for x
    x = 679,440,152,902.63/1,115,812.97
  6. Step 6: Final answer
    x = 608,919.39

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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.