Home / 1,557,901.68-2,150,067.96-913,349.04

Finding the Fourth Proportional to 1,557,901.68, 2,150,067.96 and 913,349.04

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Solution

The fourth proportional to 1,557,901.68, 2,150,067.96 and 913,349.04 is: 1,260,517.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,901.68 : 2,150,067.96 = 913,349.04 : x
  2. Step 2: Convert to fraction form
    1,557,901.68/2,150,067.96 = 913,349.04/x
  3. Step 3: Cross multiply
    1,557,901.68x = 2,150,067.96 × 913,349.04
  4. Step 4: Simplify right side
    1,557,901.68x = 1,963,762,507,200.76
  5. Step 5: Solve for x
    x = 1,963,762,507,200.76/1,557,901.68
  6. Step 6: Final answer
    x = 1,260,517.61

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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.