Home / 1,260,483.68-1,739,467.49-687,523.85

Finding the Fourth Proportional to 1,260,483.68, 1,739,467.49 and 687,523.85

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Solution

The fourth proportional to 1,260,483.68, 1,739,467.49 and 687,523.85 is: 948,782.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,483.68 : 1,739,467.49 = 687,523.85 : x
  2. Step 2: Convert to fraction form
    1,260,483.68/1,739,467.49 = 687,523.85/x
  3. Step 3: Cross multiply
    1,260,483.68x = 1,739,467.49 × 687,523.85
  4. Step 4: Simplify right side
    1,260,483.68x = 1,195,925,389,847.19
  5. Step 5: Solve for x
    x = 1,195,925,389,847.19/1,260,483.68
  6. Step 6: Final answer
    x = 948,782.92

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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.