Home / 1,220,225.72-1,829,119.32-579,401.91

Finding the Fourth Proportional to 1,220,225.72, 1,829,119.32 and 579,401.91

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Solution

The fourth proportional to 1,220,225.72, 1,829,119.32 and 579,401.91 is: 868,523.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,225.72 : 1,829,119.32 = 579,401.91 : x
  2. Step 2: Convert to fraction form
    1,220,225.72/1,829,119.32 = 579,401.91/x
  3. Step 3: Cross multiply
    1,220,225.72x = 1,829,119.32 × 579,401.91
  4. Step 4: Simplify right side
    1,220,225.72x = 1,059,795,227,625.90
  5. Step 5: Solve for x
    x = 1,059,795,227,625.90/1,220,225.72
  6. Step 6: Final answer
    x = 868,523.93

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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.