Home / 1,027,238.68-1,540,557.10-387,080.56

Finding the Fourth Proportional to 1,027,238.68, 1,540,557.10 and 387,080.56

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Solution

The fourth proportional to 1,027,238.68, 1,540,557.10 and 387,080.56 is: 580,507.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,238.68 : 1,540,557.10 = 387,080.56 : x
  2. Step 2: Convert to fraction form
    1,027,238.68/1,540,557.10 = 387,080.56/x
  3. Step 3: Cross multiply
    1,027,238.68x = 1,540,557.10 × 387,080.56
  4. Step 4: Simplify right side
    1,027,238.68x = 596,319,704,979.98
  5. Step 5: Solve for x
    x = 596,319,704,979.98/1,027,238.68
  6. Step 6: Final answer
    x = 580,507.45

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1.5x scale

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.