Home / 1,308,620.86-1,962,931.96-410,132.57

Finding the Fourth Proportional to 1,308,620.86, 1,962,931.96 and 410,132.57

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Solution

The fourth proportional to 1,308,620.86, 1,962,931.96 and 410,132.57 is: 615,199.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,620.86 : 1,962,931.96 = 410,132.57 : x
  2. Step 2: Convert to fraction form
    1,308,620.86/1,962,931.96 = 410,132.57/x
  3. Step 3: Cross multiply
    1,308,620.86x = 1,962,931.96 × 410,132.57
  4. Step 4: Simplify right side
    1,308,620.86x = 805,062,320,187.94
  5. Step 5: Solve for x
    x = 805,062,320,187.94/1,308,620.86
  6. Step 6: Final answer
    x = 615,199.06

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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.