Home / 1,245,657.72-1,719,007.61-672,697.84

Finding the Fourth Proportional to 1,245,657.72, 1,719,007.61 and 672,697.84

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Solution

The fourth proportional to 1,245,657.72, 1,719,007.61 and 672,697.84 is: 928,323.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,657.72 : 1,719,007.61 = 672,697.84 : x
  2. Step 2: Convert to fraction form
    1,245,657.72/1,719,007.61 = 672,697.84/x
  3. Step 3: Cross multiply
    1,245,657.72x = 1,719,007.61 × 672,697.84
  4. Step 4: Simplify right side
    1,245,657.72x = 1,156,372,706,190.56
  5. Step 5: Solve for x
    x = 1,156,372,706,190.56/1,245,657.72
  6. Step 6: Final answer
    x = 928,323.00

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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.