Home / 1,248,688.72-1,723,190.52-675,728.92

Finding the Fourth Proportional to 1,248,688.72, 1,723,190.52 and 675,728.92

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Solution

The fourth proportional to 1,248,688.72, 1,723,190.52 and 675,728.92 is: 932,505.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,688.72 : 1,723,190.52 = 675,728.92 : x
  2. Step 2: Convert to fraction form
    1,248,688.72/1,723,190.52 = 675,728.92/x
  3. Step 3: Cross multiply
    1,248,688.72x = 1,723,190.52 × 675,728.92
  4. Step 4: Simplify right side
    1,248,688.72x = 1,164,409,669,033.84
  5. Step 5: Solve for x
    x = 1,164,409,669,033.84/1,248,688.72
  6. Step 6: Final answer
    x = 932,505.96

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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.