Home / 1,557,659.43-2,149,767.14-904,145.76

Finding the Fourth Proportional to 1,557,659.43, 2,149,767.14 and 904,145.76

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Solution

The fourth proportional to 1,557,659.43, 2,149,767.14 and 904,145.76 is: 1,247,835.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,659.43 : 2,149,767.14 = 904,145.76 : x
  2. Step 2: Convert to fraction form
    1,557,659.43/2,149,767.14 = 904,145.76/x
  3. Step 3: Cross multiply
    1,557,659.43x = 2,149,767.14 × 904,145.76
  4. Step 4: Simplify right side
    1,557,659.43x = 1,943,702,840,097.60
  5. Step 5: Solve for x
    x = 1,943,702,840,097.60/1,557,659.43
  6. Step 6: Final answer
    x = 1,247,835.57

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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.