Home / 691,891.07-1,037,873.48-654,025.91

Finding the Fourth Proportional to 691,891.07, 1,037,873.48 and 654,025.91

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Solution

The fourth proportional to 691,891.07, 1,037,873.48 and 654,025.91 is: 981,073.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,891.07 : 1,037,873.48 = 654,025.91 : x
  2. Step 2: Convert to fraction form
    691,891.07/1,037,873.48 = 654,025.91/x
  3. Step 3: Cross multiply
    691,891.07x = 1,037,873.48 × 654,025.91
  4. Step 4: Simplify right side
    691,891.07x = 678,796,138,762.37
  5. Step 5: Solve for x
    x = 678,796,138,762.37/691,891.07
  6. Step 6: Final answer
    x = 981,073.72

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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.