Home / 931,226.37-1,395,709.60-660,927.75

Finding the Fourth Proportional to 931,226.37, 1,395,709.60 and 660,927.75

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Solution

The fourth proportional to 931,226.37, 1,395,709.60 and 660,927.75 is: 990,589.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,226.37 : 1,395,709.60 = 660,927.75 : x
  2. Step 2: Convert to fraction form
    931,226.37/1,395,709.60 = 660,927.75/x
  3. Step 3: Cross multiply
    931,226.37x = 1,395,709.60 × 660,927.75
  4. Step 4: Simplify right side
    931,226.37x = 922,463,205,581.40
  5. Step 5: Solve for x
    x = 922,463,205,581.40/931,226.37
  6. Step 6: Final answer
    x = 990,589.65

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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.