Home / 885,866.20-1,325,300.10-768,837.40

Finding the Fourth Proportional to 885,866.20, 1,325,300.10 and 768,837.40

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Solution

The fourth proportional to 885,866.20, 1,325,300.10 and 768,837.40 is: 1,150,219.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,866.20 : 1,325,300.10 = 768,837.40 : x
  2. Step 2: Convert to fraction form
    885,866.20/1,325,300.10 = 768,837.40/x
  3. Step 3: Cross multiply
    885,866.20x = 1,325,300.10 × 768,837.40
  4. Step 4: Simplify right side
    885,866.20x = 1,018,940,283,103.74
  5. Step 5: Solve for x
    x = 1,018,940,283,103.74/885,866.20
  6. Step 6: Final answer
    x = 1,150,219.17

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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.