Home / 1,571,480.36-2,168,658.06-892,421.72

Finding the Fourth Proportional to 1,571,480.36, 2,168,658.06 and 892,421.72

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Solution

The fourth proportional to 1,571,480.36, 2,168,658.06 and 892,421.72 is: 1,231,550.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,480.36 : 2,168,658.06 = 892,421.72 : x
  2. Step 2: Convert to fraction form
    1,571,480.36/2,168,658.06 = 892,421.72/x
  3. Step 3: Cross multiply
    1,571,480.36x = 2,168,658.06 × 892,421.72
  4. Step 4: Simplify right side
    1,571,480.36x = 1,935,357,555,997.06
  5. Step 5: Solve for x
    x = 1,935,357,555,997.06/1,571,480.36
  6. Step 6: Final answer
    x = 1,231,550.58

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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.