Home / 1,353,046.64-2,026,745.67-811,585.74

Finding the Fourth Proportional to 1,353,046.64, 2,026,745.67 and 811,585.74

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Solution

The fourth proportional to 1,353,046.64, 2,026,745.67 and 811,585.74 is: 1,215,684.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,046.64 : 2,026,745.67 = 811,585.74 : x
  2. Step 2: Convert to fraction form
    1,353,046.64/2,026,745.67 = 811,585.74/x
  3. Step 3: Cross multiply
    1,353,046.64x = 2,026,745.67 × 811,585.74
  4. Step 4: Simplify right side
    1,353,046.64x = 1,644,877,884,378.75
  5. Step 5: Solve for x
    x = 1,644,877,884,378.75/1,353,046.64
  6. Step 6: Final answer
    x = 1,215,684.55

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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.