Home / 1,397,890.32-2,094,176.40-722,960.64

Finding the Fourth Proportional to 1,397,890.32, 2,094,176.40 and 722,960.64

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Solution

The fourth proportional to 1,397,890.32, 2,094,176.40 and 722,960.64 is: 1,083,065.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,890.32 : 2,094,176.40 = 722,960.64 : x
  2. Step 2: Convert to fraction form
    1,397,890.32/2,094,176.40 = 722,960.64/x
  3. Step 3: Cross multiply
    1,397,890.32x = 2,094,176.40 × 722,960.64
  4. Step 4: Simplify right side
    1,397,890.32x = 1,514,007,110,416.90
  5. Step 5: Solve for x
    x = 1,514,007,110,416.90/1,397,890.32
  6. Step 6: Final answer
    x = 1,083,065.74

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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.