Home / 907,492.20-1,361,238.30-765,774.60

Finding the Fourth Proportional to 907,492.20, 1,361,238.30 and 765,774.60

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Solution

The fourth proportional to 907,492.20, 1,361,238.30 and 765,774.60 is: 1,148,661.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,492.20 : 1,361,238.30 = 765,774.60 : x
  2. Step 2: Convert to fraction form
    907,492.20/1,361,238.30 = 765,774.60/x
  3. Step 3: Cross multiply
    907,492.20x = 1,361,238.30 × 765,774.60
  4. Step 4: Simplify right side
    907,492.20x = 1,042,401,714,687.18
  5. Step 5: Solve for x
    x = 1,042,401,714,687.18/907,492.20
  6. Step 6: Final answer
    x = 1,148,661.90

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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.