Home / 1,505,400.45-2,077,454.90-817,072.56

Finding the Fourth Proportional to 1,505,400.45, 2,077,454.90 and 817,072.56

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Solution

The fourth proportional to 1,505,400.45, 2,077,454.90 and 817,072.56 is: 1,127,561.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,400.45 : 2,077,454.90 = 817,072.56 : x
  2. Step 2: Convert to fraction form
    1,505,400.45/2,077,454.90 = 817,072.56/x
  3. Step 3: Cross multiply
    1,505,400.45x = 2,077,454.90 × 817,072.56
  4. Step 4: Simplify right side
    1,505,400.45x = 1,697,431,385,732.16
  5. Step 5: Solve for x
    x = 1,697,431,385,732.16/1,505,400.45
  6. Step 6: Final answer
    x = 1,127,561.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.