Home / 1,109,212.22-1,663,913.57-389,492.04

Finding the Fourth Proportional to 1,109,212.22, 1,663,913.57 and 389,492.04

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Solution

The fourth proportional to 1,109,212.22, 1,663,913.57 and 389,492.04 is: 584,271.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,212.22 : 1,663,913.57 = 389,492.04 : x
  2. Step 2: Convert to fraction form
    1,109,212.22/1,663,913.57 = 389,492.04/x
  3. Step 3: Cross multiply
    1,109,212.22x = 1,663,913.57 × 389,492.04
  4. Step 4: Simplify right side
    1,109,212.22x = 648,081,088,815.52
  5. Step 5: Solve for x
    x = 648,081,088,815.52/1,109,212.22
  6. Step 6: Final answer
    x = 584,271.50

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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.