Home / 1,091,825.80-1,637,738.70-993,848.20

Finding the Fourth Proportional to 1,091,825.80, 1,637,738.70 and 993,848.20

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Solution

The fourth proportional to 1,091,825.80, 1,637,738.70 and 993,848.20 is: 1,490,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,825.80 : 1,637,738.70 = 993,848.20 : x
  2. Step 2: Convert to fraction form
    1,091,825.80/1,637,738.70 = 993,848.20/x
  3. Step 3: Cross multiply
    1,091,825.80x = 1,637,738.70 × 993,848.20
  4. Step 4: Simplify right side
    1,091,825.80x = 1,627,663,659,065.34
  5. Step 5: Solve for x
    x = 1,627,663,659,065.34/1,091,825.80
  6. Step 6: Final answer
    x = 1,490,772.30

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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.