Home / 1,200,825.40-1,796,864.10-885,897.40

Finding the Fourth Proportional to 1,200,825.40, 1,796,864.10 and 885,897.40

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Solution

The fourth proportional to 1,200,825.40, 1,796,864.10 and 885,897.40 is: 1,325,619.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,825.40 : 1,796,864.10 = 885,897.40 : x
  2. Step 2: Convert to fraction form
    1,200,825.40/1,796,864.10 = 885,897.40/x
  3. Step 3: Cross multiply
    1,200,825.40x = 1,796,864.10 × 885,897.40
  4. Step 4: Simplify right side
    1,200,825.40x = 1,591,837,234,343.34
  5. Step 5: Solve for x
    x = 1,591,837,234,343.34/1,200,825.40
  6. Step 6: Final answer
    x = 1,325,619.22

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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.