Home / 1,133,645.40-1,700,418.87-423,679.59

Finding the Fourth Proportional to 1,133,645.40, 1,700,418.87 and 423,679.59

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Solution

The fourth proportional to 1,133,645.40, 1,700,418.87 and 423,679.59 is: 635,500.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,645.40 : 1,700,418.87 = 423,679.59 : x
  2. Step 2: Convert to fraction form
    1,133,645.40/1,700,418.87 = 423,679.59/x
  3. Step 3: Cross multiply
    1,133,645.40x = 1,700,418.87 × 423,679.59
  4. Step 4: Simplify right side
    1,133,645.40x = 720,432,769,669.86
  5. Step 5: Solve for x
    x = 720,432,769,669.86/1,133,645.40
  6. Step 6: Final answer
    x = 635,500.99

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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.