Home / 1,780,396.45-2,666,327.45-913,550.22

Finding the Fourth Proportional to 1,780,396.45, 2,666,327.45 and 913,550.22

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Solution

The fourth proportional to 1,780,396.45, 2,666,327.45 and 913,550.22 is: 1,368,135.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,396.45 : 2,666,327.45 = 913,550.22 : x
  2. Step 2: Convert to fraction form
    1,780,396.45/2,666,327.45 = 913,550.22/x
  3. Step 3: Cross multiply
    1,780,396.45x = 2,666,327.45 × 913,550.22
  4. Step 4: Simplify right side
    1,780,396.45x = 2,435,824,023,971.79
  5. Step 5: Solve for x
    x = 2,435,824,023,971.79/1,780,396.45
  6. Step 6: Final answer
    x = 1,368,135.75

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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.