Home / 720,148.56-1,080,123.16-187,626.16

Finding the Fourth Proportional to 720,148.56, 1,080,123.16 and 187,626.16

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Solution

The fourth proportional to 720,148.56, 1,080,123.16 and 187,626.16 is: 281,413.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,148.56 : 1,080,123.16 = 187,626.16 : x
  2. Step 2: Convert to fraction form
    720,148.56/1,080,123.16 = 187,626.16/x
  3. Step 3: Cross multiply
    720,148.56x = 1,080,123.16 × 187,626.16
  4. Step 4: Simplify right side
    720,148.56x = 202,659,360,837.87
  5. Step 5: Solve for x
    x = 202,659,360,837.87/720,148.56
  6. Step 6: Final answer
    x = 281,413.27

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1.5x scale

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.