Home / 1,485,979.60-2,050,675.68-841,382.56

Finding the Fourth Proportional to 1,485,979.60, 2,050,675.68 and 841,382.56

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Solution

The fourth proportional to 1,485,979.60, 2,050,675.68 and 841,382.56 is: 1,161,121.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,979.60 : 2,050,675.68 = 841,382.56 : x
  2. Step 2: Convert to fraction form
    1,485,979.60/2,050,675.68 = 841,382.56/x
  3. Step 3: Cross multiply
    1,485,979.60x = 2,050,675.68 × 841,382.56
  4. Step 4: Simplify right side
    1,485,979.60x = 1,725,402,753,368.14
  5. Step 5: Solve for x
    x = 1,725,402,753,368.14/1,485,979.60
  6. Step 6: Final answer
    x = 1,161,121.43

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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.