Home / 1,246,774.88-1,720,557.20-673,813.68

Finding the Fourth Proportional to 1,246,774.88, 1,720,557.20 and 673,813.68

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Solution

The fourth proportional to 1,246,774.88, 1,720,557.20 and 673,813.68 is: 929,867.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,774.88 : 1,720,557.20 = 673,813.68 : x
  2. Step 2: Convert to fraction form
    1,246,774.88/1,720,557.20 = 673,813.68/x
  3. Step 3: Cross multiply
    1,246,774.88x = 1,720,557.20 × 673,813.68
  4. Step 4: Simplify right side
    1,246,774.88x = 1,159,334,978,582.50
  5. Step 5: Solve for x
    x = 1,159,334,978,582.50/1,246,774.88
  6. Step 6: Final answer
    x = 929,867.13

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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.