Home / 1,036,881-1,555,933.86-437,803.38

Finding the Fourth Proportional to 1,036,881, 1,555,933.86 and 437,803.38

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Solution

The fourth proportional to 1,036,881, 1,555,933.86 and 437,803.38 is: 656,963.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,881 : 1,555,933.86 = 437,803.38 : x
  2. Step 2: Convert to fraction form
    1,036,881/1,555,933.86 = 437,803.38/x
  3. Step 3: Cross multiply
    1,036,881x = 1,555,933.86 × 437,803.38
  4. Step 4: Simplify right side
    1,036,881x = 681,193,102,964.45
  5. Step 5: Solve for x
    x = 681,193,102,964.45/1,036,881
  6. Step 6: Final answer
    x = 656,963.63

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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.