Home / 1,383,167.52-2,071,990.80-671,034.96

Finding the Fourth Proportional to 1,383,167.52, 2,071,990.80 and 671,034.96

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Solution

The fourth proportional to 1,383,167.52, 2,071,990.80 and 671,034.96 is: 1,005,213.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,167.52 : 2,071,990.80 = 671,034.96 : x
  2. Step 2: Convert to fraction form
    1,383,167.52/2,071,990.80 = 671,034.96/x
  3. Step 3: Cross multiply
    1,383,167.52x = 2,071,990.80 × 671,034.96
  4. Step 4: Simplify right side
    1,383,167.52x = 1,390,378,263,598.37
  5. Step 5: Solve for x
    x = 1,390,378,263,598.37/1,383,167.52
  6. Step 6: Final answer
    x = 1,005,213.21

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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.