Home / 1,215,890.40-1,824,492.24-506,408.16

Finding the Fourth Proportional to 1,215,890.40, 1,824,492.24 and 506,408.16

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Solution

The fourth proportional to 1,215,890.40, 1,824,492.24 and 506,408.16 is: 759,885.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,890.40 : 1,824,492.24 = 506,408.16 : x
  2. Step 2: Convert to fraction form
    1,215,890.40/1,824,492.24 = 506,408.16/x
  3. Step 3: Cross multiply
    1,215,890.40x = 1,824,492.24 × 506,408.16
  4. Step 4: Simplify right side
    1,215,890.40x = 923,937,758,192.68
  5. Step 5: Solve for x
    x = 923,937,758,192.68/1,215,890.40
  6. Step 6: Final answer
    x = 759,885.73

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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.