Home / 885,649.40-1,328,474.10-836,660.60

Finding the Fourth Proportional to 885,649.40, 1,328,474.10 and 836,660.60

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Solution

The fourth proportional to 885,649.40, 1,328,474.10 and 836,660.60 is: 1,254,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,649.40 : 1,328,474.10 = 836,660.60 : x
  2. Step 2: Convert to fraction form
    885,649.40/1,328,474.10 = 836,660.60/x
  3. Step 3: Cross multiply
    885,649.40x = 1,328,474.10 × 836,660.60
  4. Step 4: Simplify right side
    885,649.40x = 1,111,481,937,590.46
  5. Step 5: Solve for x
    x = 1,111,481,937,590.46/885,649.40
  6. Step 6: Final answer
    x = 1,254,990.90

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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.