Home / 1,564,996.52-2,159,704.14-920,443.88

Finding the Fourth Proportional to 1,564,996.52, 2,159,704.14 and 920,443.88

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Solution

The fourth proportional to 1,564,996.52, 2,159,704.14 and 920,443.88 is: 1,270,217.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,996.52 : 2,159,704.14 = 920,443.88 : x
  2. Step 2: Convert to fraction form
    1,564,996.52/2,159,704.14 = 920,443.88/x
  3. Step 3: Cross multiply
    1,564,996.52x = 2,159,704.14 × 920,443.88
  4. Step 4: Simplify right side
    1,564,996.52x = 1,987,886,458,273.66
  5. Step 5: Solve for x
    x = 1,987,886,458,273.66/1,564,996.52
  6. Step 6: Final answer
    x = 1,270,217.81

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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.