Home / 1,091,645.76-1,637,784.42-451,831.20

Finding the Fourth Proportional to 1,091,645.76, 1,637,784.42 and 451,831.20

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Solution

The fourth proportional to 1,091,645.76, 1,637,784.42 and 451,831.20 is: 677,877.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,645.76 : 1,637,784.42 = 451,831.20 : x
  2. Step 2: Convert to fraction form
    1,091,645.76/1,637,784.42 = 451,831.20/x
  3. Step 3: Cross multiply
    1,091,645.76x = 1,637,784.42 × 451,831.20
  4. Step 4: Simplify right side
    1,091,645.76x = 740,002,099,829.90
  5. Step 5: Solve for x
    x = 740,002,099,829.90/1,091,645.76
  6. Step 6: Final answer
    x = 677,877.50

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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.