Home / 1,260,416.91-1,739,396.07-687,457.08

Finding the Fourth Proportional to 1,260,416.91, 1,739,396.07 and 687,457.08

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Solution

The fourth proportional to 1,260,416.91, 1,739,396.07 and 687,457.08 is: 948,702.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,416.91 : 1,739,396.07 = 687,457.08 : x
  2. Step 2: Convert to fraction form
    1,260,416.91/1,739,396.07 = 687,457.08/x
  3. Step 3: Cross multiply
    1,260,416.91x = 1,739,396.07 × 687,457.08
  4. Step 4: Simplify right side
    1,260,416.91x = 1,195,760,143,245.68
  5. Step 5: Solve for x
    x = 1,195,760,143,245.68/1,260,416.91
  6. Step 6: Final answer
    x = 948,702.08

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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.