Home / 1,384,987.60-2,077,481.40-1,301,006.80

Finding the Fourth Proportional to 1,384,987.60, 2,077,481.40 and 1,301,006.80

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Solution

The fourth proportional to 1,384,987.60, 2,077,481.40 and 1,301,006.80 is: 1,951,510.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,987.60 : 2,077,481.40 = 1,301,006.80 : x
  2. Step 2: Convert to fraction form
    1,384,987.60/2,077,481.40 = 1,301,006.80/x
  3. Step 3: Cross multiply
    1,384,987.60x = 2,077,481.40 × 1,301,006.80
  4. Step 4: Simplify right side
    1,384,987.60x = 2,702,817,428,273.52
  5. Step 5: Solve for x
    x = 2,702,817,428,273.52/1,384,987.60
  6. Step 6: Final answer
    x = 1,951,510.20

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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.