Home / 1,260,618.54-1,739,651.53-687,658.71

Finding the Fourth Proportional to 1,260,618.54, 1,739,651.53 and 687,658.71

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Solution

The fourth proportional to 1,260,618.54, 1,739,651.53 and 687,658.71 is: 948,967.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,618.54 : 1,739,651.53 = 687,658.71 : x
  2. Step 2: Convert to fraction form
    1,260,618.54/1,739,651.53 = 687,658.71/x
  3. Step 3: Cross multiply
    1,260,618.54x = 1,739,651.53 × 687,658.71
  4. Step 4: Simplify right side
    1,260,618.54x = 1,196,286,533,063.23
  5. Step 5: Solve for x
    x = 1,196,286,533,063.23/1,260,618.54
  6. Step 6: Final answer
    x = 948,967.90

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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.