Home / 1,571,495.86-2,168,679.45-892,437.22

Finding the Fourth Proportional to 1,571,495.86, 2,168,679.45 and 892,437.22

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Solution

The fourth proportional to 1,571,495.86, 2,168,679.45 and 892,437.22 is: 1,231,571.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,495.86 : 2,168,679.45 = 892,437.22 : x
  2. Step 2: Convert to fraction form
    1,571,495.86/2,168,679.45 = 892,437.22/x
  3. Step 3: Cross multiply
    1,571,495.86x = 2,168,679.45 × 892,437.22
  4. Step 4: Simplify right side
    1,571,495.86x = 1,935,410,259,429.13
  5. Step 5: Solve for x
    x = 1,935,410,259,429.13/1,571,495.86
  6. Step 6: Final answer
    x = 1,231,571.97

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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.